Micron Slides 12% as Memory Chip Sell-off Widens
WHO:
Bloomberg - Micron Technology was developing the Fab 11E memory-chip facility in Taiwan.
Yahoo Finance - Micron Technology (MU), SK Hynix (SKHY), Sandisk (SNDK), Seagate (STX), Western Digital (WDC), Nvidia (NVDA), AMD (AMD), and Broadcom (AVGO) were among the semiconductor and memory-related companies whose shares fell.
Seeking Alpha - The article’s author said they have more than 20 years of experience in quantitative research, financial modeling, and risk management, and previously served as a vice president at Barclays. The author said they co-author research with their wife.
Seeking Alpha - The author disclosed having no stock, option, or similar derivative positions in the companies mentioned and no plans to initiate such positions within 72 hours.
WHAT:
The Motley Fool - Micron stock had risen around 220% during the year, making it the fourth-best-performing S&P 500 stock.
The Motley Fool - Micron was trading at 12 times trailing earnings and 5 times forward earnings; the article said it had traded above 20 times trailing earnings in recent years.
The Motley Fool - Micron reported a gross margin of 80.71%, a market capitalization of $899.74 billion, and a dividend yield of 0.07%.
Investor’s Business Daily - Memory-chip shortages were contributing to lower production and higher prices for computers, smartphones, and other devices.
Investor’s Business Daily - Apple and Zebra Technologies reported disappointing sales and profit margins during the earnings season amid memory-chip shortages.
Bloomberg - Micron suspended construction of its Fab 11E facility, estimated to cost $3 billion to $4.5 billion.
Yahoo Finance - Micron shares fell 12% as the chip sell-off deepened. SK Hynix, Sandisk, Seagate, and Western Digital each fell by double-digit percentages during the session.
Yahoo Finance - Nvidia shares dropped 6%, AMD fell 13%, and Broadcom fell 6%.
Yahoo Finance - The PHLX Semiconductor Index (^SOX) declined 8%, leading the Nasdaq Composite lower.
Seeking Alpha - The author said they had mostly recommended hedged exposure to memory over the preceding several months, citing difficulty timing the race between company multiples and earnings.
WHY:
The Motley Fool - Micron’s article said memory-chip shortages stemmed from global production capacity being insufficient to meet surging demand, especially for high-bandwidth memory used in AI computing.
Bloomberg - Micron suspended construction amid mounting uncertainty over a local labor dispute.
Yahoo Finance - Chip stocks had declined significantly over the preceding month amid concerns that the AI trade had become overextended.
Yahoo Finance - The sell-off intensified after Democrats won control of both the House and Senate, prompting concerns about a slowdown in data-center construction.
HOW:
The Motley Fool - Micron said it expects memory-market tightness to worsen in 2027 and 2028.
The Motley Fool - Micron plans to open six new production facilities: three by mid-2027 and three in 2028.
The Motley Fool - SK Hynix said it had pre-sold all HBM and DRAM production capacity through 2029.
Seeking Alpha - The author described their research approach as combining quantitative research, financial modeling, risk management, and a long-term perspective on value creation.
Seeking Alpha - The author stated that their article expressed their own opinions and that they received no compensation for it other than from Seeking Alpha.
(UPDATED November 5, 2026 22:11 UTC)
Micron halted construction on its Taiwan facility amid uncertainty over a local labor dispute. Chip stocks plunged, with Micron shares falling twelve percent as the semiconductor index dropped eight percent. Memory shortages are squeezing device makers, and Micron expects supplies to tighten further.
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(UPDATED November 5, 2026 20:05 UTC)
Micron suspended construction of its Taiwan chip facility amid uncertainty over a local labor dispute. The project could cost up to four-and-a-half billion dollars, as chip shares tumbled. Micron expects memory shortages to worsen, while SK Hynix has sold out production through 2029.
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(UPDATED November 5, 2026 19:16 UTC)
Chip stocks plunged, with Micron falling 12% and several memory makers losing double digits. The semiconductor index dropped 8%, as Nvidia fell 6%, AMD 13%, and Broadcom 6%. Investors worried the AI trade was overextended and data-center construction could slow.