Black Tuesday: KOSPI Plunges 9% on Chip Selloff

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By Cho Tae-hyung
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null - Seoul Economic Daily Finance News from South Korea

The KOSPI fell more than 8% on Tuesday, triggering a "circuit breaker" that halted trading for 20 minutes. At the dealing room of Hana Bank in Jung-gu, central Seoul, monitors displayed the KOSPI, the won-dollar exchange rate, and the share prices of SK hynix and Samsung Electronics.

The KOSPI closed at 8,203.84, down 910.71 points, or 9.99%, while the KOSDAQ ended at 891.52, down 76.88 points, or 7.94%. The won-dollar exchange rate was trading in the 1,540 won range.

Photo by Cho Tae-hyung, June 23, 2026

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Original reporting by Cho Tae-hyung for Seoul Economic Daily.

AI-translated from Korean. Quotes from foreign sources are based on Korean-language reports and may not reflect exact original wording.

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