SK Hynix Shares Plunge Over 15% Following US Market Debut

WHO:

CNBC - SK Hynix, a memory chipmaker.

WHAT:

CNBC - SK Hynix's shares fell more than 15% in Seoul, marking the company's largest-ever fall.

Bloomberg Markets - The decline followed a strong debut on the Nasdaq.

WHERE:

CNBC - The shares fell in Seoul.

WHEN:

CNBC - The significant drop occurred on a Monday.

WHY:

CNBC - Investors were booking profit amid uncertainty regarding US share valuations.

Bloomberg Markets - The decline followed the highly anticipated US trading debut of SK Hynix.

HOW:

CNBC - The fall in shares was attributed to profit-taking by investors.

(UPDATED July 13, 2026 11:54 UTC)

SK Hynix, a memory chipmaker, experienced its largest-ever drop in shares, falling more than 15% in Seoul on a Monday. This significant decline came on the heels of a strong debut on the Nasdaq, as investors began booking profits amid uncertainty surrounding US share valuations. The sharp fall was largely attributed to profit-taking by investors following the company's highly anticipated trading debut in the US.