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South Korea's KOSPI index rises by 18%, its largest single-day gain in history, amid a surge of investment in

AI boom — South Korea's KOSPI index rises by 18%, its largest single-day gain in history, amid a surge of investment in AI. [https://www.nytimes.com/2026/07/31/business/korea-stocks-chips-ko

Published July 31, 2026· Updated October 28, 2026·1 min read

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Context: AI boom.

South Korea's KOSPI index rises by 18%, its largest single-day gain in history, amid a surge of investment in AI. [https://www.nytimes.com/2026/07/31/business/korea-stocks-chips-kospi.html ( The New York Times )]

Event summary via Wikipedia Current Events (2026-07-31).