The selloff centers on semiconductor giants Samsung and SK Hynix, both of which saw shares sink at least 7% in recent trades. Investors are reacting to high US inflation data and concerns over debt at AI firm CoreWeave, while China's CXMT has captured 9.5% of global DRAM revenue. Reports from Maeil Business Newspaper warn that global memory oversupply could start in 2029, compounding a broader rally reversal that has seen the index drop 40% from its June 19 peak.
Tuesday, October 20, 2026
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South Korea Stock Market Wipes $880B in 7 Day Rout
Global Markets6 days ago
The KOSPI index fell 8% on October 15, triggering a market-wide circuit breaker that froze all equity and program trading for 20 minutes. This crash extends a decline that has erased $880 billion, or ₩1,186 trillion, in market value over the last seven trading sessions, leaving the index down 21% during that period. The Korea Exchange's suspension came as the market dropped below the lows seen in July during a previous deleveraging event.
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