Oil Jumps, Stocks Sink as War Fears and AI Costs Rattle Markets

WHO:

The Guardian - The Dow Jones Industrial Average rose 11 points, or less than 0.1%, while the S&P 500 and Nasdaq fell.

CNBC - Pershing Square CEO Bill Ackman said the Ukraine-Russia and Iran wars, elevated inflation, and high interest rates were holding back the market.

ABC News - Elon Musk said SpaceX took a step to consider a possible merger with Tesla.

New York Post - Meta and Tesla led technology stocks lower.

ABC News - SpaceX, Capital One Financial, Winnebago Industries, Netflix, SoftBank Group, Tokyo Electron, Advantest, Samsung Electronics, and SK Hynix were among the companies whose shares moved.

NBC News - Israel and the United States were identified as countries that might attack Iran.

Bloomberg Markets - The United States pulled some diplomats from Saudi Arabia.

Bloomberg Markets - Meta increased its planned capital spending for the year.

Bloomberg Markets - George Goncalves of MUFG appeared on “Bloomberg Brief” to discuss opportunities in bonds amid market volatility.

Bloomberg Markets - “The Pulse With Francine Lacqua” listed guests Wei Li, BlackRock Global Chief Investment Strategist, and Joseph Pinto, M&G Asset Management CEO.

WHAT:

The Guardian - The S&P 500 fell 93.74 points to 7,663.43, the Dow rose 11.89 points to 52,867.98, and the Nasdaq fell 694 points to 26,008.86.

The Guardian - Brent crude rose 4% to $113.17 per barrel, up from less than $97 at the start of the month.

The Guardian - Procter & Gamble shares rose 5.6%.

Fast Company - The 10-year Treasury yield was more than 5.30% earlier in the month, and remained above its 3.97% level from before the Iran war.

Fast Company - Lam Research shares had risen 52.4% for the year before falling 11.1%.

Fast Company - The CAC 40 fell 1.4%; its decline was among Europe’s sharpest.

Investor’s Business Daily - The Nasdaq had its worst session since June.

Fast Company - The U.S. 10-year Treasury yield fell from more than 5.30% earlier in the month to 4.98%.

Fast Company - Two out of every three S&P 500 stocks rose, but declines in more influential technology stocks outweighed their gains.

Bloomberg Markets - Laura Cooper of Nuveen discussed AI jitters, oil prices, Treasury-yield prospects, and Federal Reserve policy on “Bloomberg Brief”; she said investors were becoming more selective about AI and looking toward broader diversification.

The Guardian - The S&P 500 fell 1.2% to 7,663.43, its worst day since July; the Nasdaq dropped 2.6% to 26,008.86, and the Dow rose 11.89 points to 52,867.98.

The Guardian - Lam Research fell 11.8%, Meta dropped 7%, Tesla declined 3.1%, Nvidia fell 4.4%, and CoreWeave lost 10.1%.

The Guardian - Brent crude rose 4% to $113.17 per barrel.

The Guardian - The 10-year U.S. Treasury yield fell to 4.97% from 5.13%.

The Guardian - Procter & Gamble shares rose 5.6%.

Fast Company - The Nasdaq Composite was down 2.4% as of 12:56 p.m. ET, while the Dow Jones Industrial Average fell 40 points, or 0.1%.

Fast Company - Nvidia fell 4.3%, making it the largest drag on the S&P 500 by market value.

Fast Company - French government bond yields rose amid concerns about government debt and a strained budget; violent protests raised pressure on the government to increase spending.

Fast Company - The U.S. 10-year Treasury yield fell to 4.98% from 5.13%, while fewer U.S. workers applied for unemployment benefits in the previous week.

Fast Company - Procter & Gamble, Lockheed Martin, and CSX reported summer profits above expectations. P&G maintained its full-year growth forecasts, and CEO Shailesh Jejurikar said it expected “geopolitical and economic challenges” to continue.

Fast Company - Meta’s latest-quarter profit fell short of analysts’ expectations, and it said it was creating a new class of stock to fund AI investments and other expenses.

Fast Company - Tesla’s summer revenue was weaker than forecast despite stronger-than-expected profit.

ABC News - Hong Kong’s Hang Seng fell 3% to 22,934.68.

AP - Brent crude traded between $97 and $112 per barrel in recent days amid uncertainty over when the Iran war would allow the global energy industry to return to normal.

AP - Lam Research shares had gained 52.4% for the year before falling 11.1%; the company’s current-quarter profit forecast midpoint was slightly below analysts’ expectations.

AP - CoreWeave shares fell 9.6% amid concerns about its debt; the company borrows to buy Nvidia chips and rents them to customers through the cloud.

AP - The majority of S&P 500 stocks rose even as the index declined, with large technology stocks outweighing gains elsewhere.

AP - French government bond yields rose amid concerns about the government’s debt load and strained budget.

ABC News - Tokyo’s Nikkei 225 fell 2.7% to 62,907.84; SoftBank Group dropped 6.9%, Tokyo Electron fell 7%, and Advantest lost 6%.

ABC News - South Korea’s Kospi fell 3.5% to 5,533.77; Samsung Electronics declined 4% and SK Hynix lost 5.5%.

Fast Company - France’s CAC 40 fell 1.4%, while French government bond yields rose amid concerns about government debt and a strained budget.

Fast Company - Procter & Gamble, Lockheed Martin, and CSX reported summer profits above expectations; Procter & Gamble maintained its full-year growth forecasts, and its shares rose 6.3%.

Fast Company - The S&P 500 fell 1.3% and the Nasdaq Composite dropped 2.4%; the Dow declined 40 points, or 0.1%, as of 12:56 p.m. ET.

Fast Company - Lam Research shares fell 11.1% despite summer profit and revenue exceeding analysts’ expectations; its current-quarter profit forecast midpoint was slightly below expectations.

Fast Company - Meta shares fell 7.4%; its latest-quarter profit missed analysts’ expectations, and the company said it was creating a new class of stock to fund AI investments and other expenses.

Fast Company - Tesla shares slipped 2.1%; its summer revenue was weaker than forecast despite stronger-than-expected profit.

Fast Company - Nvidia fell 4.3%, and CoreWeave dropped 9.6%.

Fast Company - Brent crude rose 2.9% to $111.99 per barrel after reaching its highest level in five months.

Fast Company - The U.S. 10-year Treasury yield fell to 4.98% from 5.13%; fewer U.S. workers applied for unemployment benefits the previous week.

Fast Company - Procter & Gamble shares rose 6.3%; CEO Shailesh Jejurikar said the company expected “geopolitical and economic challenges” to continue and maintained its full-year forecasts.

CNBC - Ackman said, “We're going to have an amazing 2027,” and said energy prices could fall if the wars end.

CNBC - U.S. oil was up 72% in 2026 and Brent crude had risen 83%.

CNBC - Consumer prices rose 3.7% year over year in September; gasoline accounted for more than half of the increase in the latest consumer price index report.

CNBC - Ackman said Netflix traded at 18 times earnings and forecast earnings growth in the mid- to high teens for the foreseeable future; he called it “a high growth utility.”

CNBC - Ackman said Meta was “extremely well positioned in democratizing the use of agents,” citing its AI agent Muse, and called the stock undervalued.

CNBC - Meta shares fell 6% Thursday despite better-than-expected third-quarter revenue and strong guidance; Netflix shares rose more than 3% Thursday after falling more than 5% Wednesday.

ABC News - Germany’s DAX fell 1.1% to 25,367.96, Paris’s CAC 40 declined 1.3% to 7,816.67, and Britain’s FTSE 100 fell 0.7% to 10,678.67.

ABC News - Shanghai’s Composite index fell 1.5% to 3,658.03, while Australia’s S&P/ASX 200 declined 0.4% to 8,793.20.

ABC News - The dollar fell to 157.22 Japanese yen from 158.14 yen; the euro slipped to $1.1231 from $1.1233.

Bloomberg Markets - Oil and gas company shares have rallied this year on windfall profit growth, while traders expect a pullback.

New York Post - Oil rose above $111 a barrel as stocks fell.

ABC News - Iran’s state television reported that seven oil tankers caught fire and were damaged in the Strait of Hormuz; if verified, this would be the most vessels damaged there in one day since the Iran war began.

ABC News - Brent crude gained 3.2% to $112.27 per barrel, while U.S. benchmark crude rose 2.8% to $99.80.

ABC News - World shares and U.S. futures retreated; the S&P 500 future fell 1% and the Dow future fell 0.7%.

ABC News - Asian markets declined: Tokyo’s Nikkei 225 fell 2.7%, South Korea’s Kospi fell 3.5%, Hong Kong’s Hang Seng fell 3%, and Taiwan’s Taiex fell 1.8%.

ABC News - The U.S. stock market had risen the prior day: the S&P 500 gained 0.6%, the Dow 0.7%, and the Nasdaq Composite 1.1%.

ABC News - SpaceX shares rose 7.8% after reporting higher-than-expected summer profit; Tesla gained 3.4%, Capital One Financial rose 2.5%, and Winnebago Industries climbed 10.7%. Netflix fell 5.3% despite reporting stronger-than-expected profit.

NBC News - U.S. equity markets sold off sharply, and stocks did not sustain their recent gains.

Bloomberg Markets - U.S. equity futures slid as a recovery rally in AI-related stocks faded.

Bloomberg Markets - Oil prices climbed as stocks fell amid technology earnings and rising Middle East tensions.

Bloomberg Markets - Saudi attacks were described as pushing oil prices higher while stocks slid on technology earnings.

Bloomberg Markets - “The Pulse With Francine Lacqua” was described as covering business, economics, finance, and politics through interviews and market-moving scoops.

WHERE:

NBC News - The reported equity-market sell-off occurred in the United States.

Bloomberg Markets - Tensions involving the Houthis and Iran were reported alongside the U.S. diplomatic withdrawal from Saudi Arabia.

Bloomberg Markets - “The Pulse With Francine Lacqua” is based in London and said it travels to cover stories.

WHY:

Fast Company - The decline in Treasury yields came despite a report that fewer U.S. workers applied for unemployment benefits, suggesting layoffs remained low.

The Guardian - Investors bought U.S. government bonds as a safer asset while AI stocks fell.

AP - Investors’ concerns that AI stock prices had risen too far during a yearslong rally added pressure on the sector.

Fast Company - Violent protests across France increased pressure on the government to raise spending, potentially adding to its debt.

CNBC - Ackman said high crude prices pressured stocks because traders feared energy costs would increase inflation and prompt the Federal Reserve to raise interest rates.

ABC News - Investors were concerned Netflix’s momentum may be slowing, and the company’s shares fell despite stronger-than-expected profit.

ABC News - Investors were concerned that rising borrowing costs could slow data-center construction, pressuring AI stocks.

NBC News - Oil prices rose and stocks sold off amid fears that Israel and the United States would attack Iran.

NBC News - Concerns about the Iran war and high spending on artificial intelligence were cited as factors behind the market sell-off.

Bloomberg Markets - Oil rose as the United States withdrew some diplomats from Saudi Arabia amid worsening tensions between the Houthis and Iran.

Bloomberg Markets - Technology earnings and fading enthusiasm for the AI recovery rally accompanied the decline in stocks and futures.

HOW:

CNBC - Bill Ackman said concerns about Netflix’s content library were overstated given its management team and user engagement.

(UPDATED October 23, 2026 15:19 UTC)

U.S. stocks ended sharply lower for technology shares, with the Nasdaq down 2.6 percent in its worst session since June and the S&P 500 falling 1.2 percent; the Dow edged up about 12 points. Most S&P stocks rose, but declines in major tech companies outweighed those gains. Meta fell 7 percent, Nvidia lost 4.4 percent, and Lam Research dropped more than 11 percent. Meta’s latest-quarter profit missed expectations, while Tesla’s revenue fell short despite stronger-than-expected profit. Oil climbed 4 percent to $113.17 a barrel as uncertainty over the Iran war added to market concerns. The 10-year Treasury yield eased to about 4.97 percent, while inflation remained elevated. Investor Bill Ackman cited wars, high inflation, and interest rates as pressures on markets, but said energy prices could fall if the conflicts end. Procter & Gamble rose 5.6 percent after reporting stronger-than-expected profit.

(UPDATED October 23, 2026 14:19 UTC)

Stocks fell sharply, led by technology shares, as investors weighed rising oil prices, inflation and geopolitical risks. The S&P 500 lost 1.2%, while the Nasdaq dropped 2.6% in its worst session since June; the Dow edged up about 12 points. Most S&P 500 stocks actually rose, but declines in influential companies including Meta, Nvidia and Tesla outweighed those gains. Meta fell after reporting profit below expectations and raising its planned spending on artificial intelligence, while Tesla’s revenue missed forecasts. Brent crude climbed above $113 a barrel, and the 10-year Treasury yield eased to about 4.97%. Markets also weakened across Europe and Asia, with sharp losses in South Korea and Japan. Pershing Square CEO Bill Ackman said wars involving Ukraine, Russia and Iran, along with inflation and high interest rates, were weighing on markets. He also said SpaceX had taken a step toward considering a possible merger with Tesla.

(UPDATED October 23, 2026 07:23 UTC)

Wall Street sank as investors weighed war risks, inflation and high interest rates. The S&P 500 fell 1.2%, its worst session since July, while the Nasdaq dropped 2.6%; the Dow edged up about 12 points. Technology shares led the decline, with Lam Research down nearly 12%, Meta off 7% and Nvidia losing more than 4%. Meta’s latest profit missed expectations, and the company plans a new class of stock to help fund artificial intelligence investments. Tesla’s revenue also disappointed, while SpaceX took a step toward considering a possible merger with Tesla. Oil climbed above $112 a barrel amid uncertainty over the Iran war and reports of damaged tankers in the Strait of Hormuz. The 10-year Treasury yield fell to about 4.97%, while Procter & Gamble gained as it maintained its annual outlook.

(UPDATED October 23, 2026 05:04 UTC)

Stocks fell as investors weighed war risks, inflation, and high interest rates. The S&P 500 lost 1.3%, the Nasdaq dropped 2.4%, and the Dow slipped 40 points, or 0.1%. Technology shares led the declines: Nvidia fell 4.3%, Meta dropped 7.4% after its profit missed expectations, and Tesla slipped as revenue came in below forecasts. Meta also outlined plans to fund artificial-intelligence investment with a new class of stock, while CEO Elon Musk said SpaceX had taken a step toward considering a possible merger with Tesla. Overseas markets also retreated, with losses across major Asian indexes and European shares. Oil climbed above $111 a barrel amid uncertainty over the Iran war; Iranian state television reported seven tankers were damaged by fires in the Strait of Hormuz. The U.S. 10-year Treasury yield fell to 4.98%, while Procter & Gamble gained 6.3% after reporting stronger-than-expected profits and maintaining its annual outlook.

(UPDATED October 23, 2026 04:07 UTC)

Markets slid as rising oil prices and technology earnings unsettled investors. The S&P 500 lost 1.3%, the Nasdaq fell 2.4%, and the Dow edged down, with large technology stocks outweighing gains across most S&P 500 companies. Brent crude climbed above $111 a barrel amid uncertainty over the Iran war; Iranian state television reported seven tankers were damaged by fires in the Strait of Hormuz, though the report was not independently verified here. Asian markets also fell, including declines of 2.7% in Tokyo and 3.5% in South Korea.

Meta dropped after its latest-quarter profit missed expectations and it raised planned spending, while Lam Research and CoreWeave also fell. Tesla slipped as revenue came in weaker than forecast. Procter & Gamble rose after reporting stronger-than-expected summer profits. Investor Bill Ackman said wars, inflation, and high interest rates were weighing on markets, while oil gains have intensified concerns about energy costs.

(UPDATED October 23, 2026 00:06 UTC)

Stocks fell as rising oil prices, Middle East tensions and concerns about heavy artificial-intelligence spending weighed on markets. The S&P 500 lost 1.3%, while the Nasdaq dropped 2.4%; the Dow slipped 40 points. Brent crude climbed above $111 a barrel amid fears of a wider conflict and reports from Iranian state television that seven tankers were damaged in the Strait of Hormuz. The United States also withdrew some diplomats from Saudi Arabia. Technology shares led the decline: Meta fell 7.4% after its quarterly profit missed expectations and it raised planned spending, while Tesla lost 2.1%. In Asia, Tokyo’s Nikkei fell 2.7% and South Korea’s Kospi dropped 3.5%. Investor and Pershing Square chief Bill Ackman said wars, inflation and high interest rates were holding markets back, but predicted energy prices could fall if the conflicts end. Procter & Gamble rose 6.3% after reporting stronger-than-expected summer profits.

(UPDATED October 22, 2026 23:05 UTC)

U.S. stocks fell sharply as rising oil prices and Middle East tensions unsettled investors, while technology shares slumped. The S&P 500 dropped 1.3%, the Nasdaq fell 2.4%, and the Dow slipped 0.1%. Brent crude climbed above $111 a barrel after reports from Iran’s state television that seven tankers were damaged by fires in the Strait of Hormuz; those reports were not independently confirmed. The United States also pulled some diplomats from Saudi Arabia amid regional tensions. Meta fell 7.4% after missing profit expectations and raising its planned spending, while Tesla lost 2.1% on weaker-than-expected revenue. Nvidia and CoreWeave also declined. Pershing Square’s Bill Ackman said wars, inflation, and high interest rates were weighing on markets, warning that expensive energy could fuel inflation and rate hikes. The 10-year Treasury yield eased to 4.98%.

(UPDATED October 22, 2026 22:11 UTC)

Stocks fell as oil surged above $111 a barrel amid escalating Middle East tensions and concerns over technology earnings. Brent crude rose 3.2% to $112.27, while U.S. crude gained 2.8% to $99.80; Iran’s state television said seven tankers caught fire in the Strait of Hormuz, a report not independently confirmed in the facts provided. The United States also withdrew some diplomats from Saudi Arabia, as investors weighed fears of an attack on Iran. U.S. equity futures slid, and Asian and European markets also declined. Technology shares came under pressure as enthusiasm for AI-related stocks faded and investors worried about borrowing costs and data-center spending. Meta fell 6% despite strong revenue and guidance, while Tesla also declined. Pershing Square CEO Bill Ackman said wars, inflation and high interest rates were weighing on markets, noting September consumer prices rose 3.7% year over year, with gasoline driving much of the increase.

(UPDATED October 22, 2026 18:07 UTC)

Oil surged and stocks fell as fears of a wider conflict with Iran rattled investors. Brent crude rose 3.2% to $112.27 a barrel, while U.S. crude gained 2.8% to $99.80. Iran’s state television said seven oil tankers were damaged by fires in the Strait of Hormuz; the report has not been independently verified. The United States also pulled some diplomats from Saudi Arabia amid rising regional tensions. U.S. equity futures slid, with the S&P 500 future down 1% and the Dow future off 0.7%, as concerns about the Iran war and heavy artificial-intelligence spending weighed on markets. Asian indexes also dropped, including South Korea’s Kospi, down 3.5%, and Tokyo’s Nikkei, down 2.7%. In company news, Elon Musk said SpaceX took a step toward considering a possible merger with Tesla. SpaceX shares rose 7.8%, while Netflix fell 5.3% despite stronger-than-expected profit.

(UPDATED October 22, 2026 17:12 UTC)

Oil surged above $111 a barrel as escalating Middle East tensions rattled global markets and technology stocks led declines. Brent crude climbed 3.2% to $112.27, while U.S. benchmark oil rose 2.8% to $99.80. Iran’s state television said seven oil tankers caught fire and were damaged in the Strait of Hormuz; the report has not been independently verified. U.S. officials pulled some diplomats from Saudi Arabia as concerns grew over Iran and the Houthis, and investors feared possible strikes on Iran by Israel and the United States. U.S. equity futures fell, with the S&P 500 future down 1% and the Dow future off 0.7%. Asian markets also dropped, including declines of 2.7% in Tokyo and 3.5% in South Korea. Higher borrowing costs raised concerns about data-center construction and AI spending. Meta and Tesla led technology shares lower, though SpaceX rose after reporting stronger-than-expected summer profits. Netflix fell despite beating profit expectations.

(UPDATED October 22, 2026 16:19 UTC)

U.S. stocks sold off sharply, failing to hold recent gains, as investors weighed fears of a possible attack on Iran by Israel and the United States. Concerns about the Iran war and heavy artificial-intelligence spending also added to pressure on markets. U.S. equity futures slid as a recovery rally in AI-related shares faded, with technology earnings in focus. Oil prices climbed as stocks fell, amid rising Middle East tensions and concerns involving Iran and the Houthis. The United States also withdrew some diplomats from Saudi Arabia as those tensions worsened. Separately, Meta raised its planned capital spending for the year. On Bloomberg, MUFG’s George Goncalves discussed bond opportunities during market volatility. “The Pulse With Francine Lacqua,” based in London, features interviews and market-moving scoops across business, economics, finance, and politics; its guests include BlackRock strategist Wei Li and M&G CEO Joseph Pinto.