South Korea’s KOSPI plunges 7.57% as AI doubts rattle investors

AI Earnings (Google News)October 20, 2026en

AI Earnings (Google News)

AI Global Wire

South Korea's KOSPI fell 7.57% to 5,554.22 as AI profitability doubts hit Samsung and SK Hynix, leaving the index about 40% below its June peak.

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