South Korea’s KOSPI Index Crashes Over 8%, Triggering a Trading Halt

Published by

Nidhi Kolhapur

June 8, 2026

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South Korea’s benchmark KOSPI index dropped more than 8% at the open, triggering a circuit breaker and temporarily halting trading for 20 minutes. The selloff erased an estimated ₩400 trillion in market value, marking the index’s sharpest one-day decline since March. Semiconductor heavyweights Samsung and SK Hynix led losses as investors reduced exposure to technology and AI-related stocks following a weak session for the Nasdaq on Friday. The decline highlights growing pressure on AI-linked equities globally as markets reassess valuations and risk appetite amid broader market volatility.

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