Sunday, 18 October 2026

Global Chip Sell-Off Deepens as South Korean Market Plunges

A global sell-off in memory-chip stocks deepened as South Korea's benchmark kospi index plummeted, driven by broader market pressures and concerns over artificial intelligence trade stability.

Global Chip Sell-Off Deepens as South Korean Market Plunges

Global Markets React to Deepening Chip Sell-Off

A global downturn in technology shares intensified as South Korea's primary kospi benchmark tumbled significantly overnight. The sharp downward movement followed a broader regional sell-off across Asia, which was heavily influenced by retreating artificial intelligence trades and hot consumer price index data originating from the United States.

Pressure on the kospi Index and Major Manufacturers

The intense downward pressure heavily affected the kospi index as local memory-chip heavyweights experienced steep losses. SK Hynix and Samsung Electronics dropped significantly—recording losses of 10% and 8% respectively—following earlier-week declines driven by worries about growing competition from China. Together, these two major memory entities represent more than half of the entire South Korean stock market capitalization.

Impact on the kospi Stock and Wall Street Tech Shares

The regional declines in kospi stock values mirrored a broader Wall Street contraction where major semiconductor entities, including Nvidia, Broadcom, AMD, and Intel, led a session-wide downward trend. Market participants pointed to intersecting anxieties regarding potential interest rate hikes and broader worries over debt-heavy balance sheets linked to AI infrastructure investments.

Broader AI Trade Concerns and Outlook

Market sentiment remained cautious as neocloud providers faced scrutiny over bond yields and growing interest expenses. As investors monitor whether infrastructure spending and data center buildouts can maintain their pace, attention turns toward upcoming quarterly financial reports from major foundries like TSMC to assess future industry capacity and stability.

Sources: Yahoo Finance, Reuters, Bloomberg.com.

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Anil Pandey

Anil Pandey is a content writer and off-page SEO specialist with 2 years of experience in blog writing, content optimization, and link-building activities. He focuses on creating…