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Wall Street Mixed Early as Chip Sell-Off Continues
Heavy losses in SK Hynix and Samsung dragged the KOSPI down about 10% as renewed AI spending concerns hit global semiconductor shares.
On Tuesday, South Korea's KOSPI index plunged nearly 11% to 6,023.66, marking its lowest level since April as heavy selling pressure in computer chipmaking stocks triggered temporary trading halts.
Renewed concerns over rising competition from Chinese startups and domestic mass production of deep ultraviolet chipmaking tools drove the sell-off, as traders questioned whether AI-related market gains would sustain.
Shares in Samsung Electronics sank 13.4%, while SK Hynix tumbled 14.7%, as the two companies account for more than half of the KOSPI's weighting and led the index lower.
Regional markets suffered contagion: Japan's Nikkei fell 4.1% and Shanghai Composite lost 1.2%, though Morningstar equity analyst Jing Jie Yu called the sell-off "a knee-jerk reaction and overdone."
Deutsche Bank strategist Jim Reid noted that global chipmaking leaders' dominant position remains intact despite current volatility, suggesting the sell-off reflects AI investment spending concerns rather than structural competitive threats.
The Dow Jones, with its industrial focus, gained 1.03%, while the Nasdaq, which tracks major technology companies, lost 0.22%. The broader S&P 500 index rose 0.22%.