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South Korea’s Stock Market KOSPI Just Flashed a Global AI Warning
Key takeaways
- Friday's 8.19% intraday plunge forced another 20-minute halt and dragged Wall Street, Tokyo, and Tokyo-listed Soft Bank sharply lower.
- The cascade is now the clearest sign that AI chip exposure has become the central risk factor for global equities.
- A circuit breaker is an emergency market mechanism that pauses trading when an index drops too sharply within a short timeframe.
South Korea’s Stock Market KOSPI Just Flashed a Global AI Warning Luis Blanco Sat, June 27, 2026 at 9:00 PM GMT+7 4 min read 9984.T South Korea's stock market index, the KOSPI, triggered its second circuit breaker in a single week amid the AI chip trade, rattling global markets.
Friday's 8.19% intraday plunge forced another 20-minute halt and dragged Wall Street, Tokyo, and Tokyo-listed Soft Bank sharply lower.
The cascade is now the clearest sign that AI chip exposure has become the central risk factor for global equities.
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