Güney Kore'nin çip devleri şimdiye kadarki en büyük rallilerini gerçekleştirdi. Küresel yapay zeka ticareti için ne anlama geliyor?

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0 ResultsNo Results FoundAuthorsNo results foundSectionsNo results foundColumnsNo results foundSouth Korea’s chip giants just logged their biggest rally ever. What it means for the global AI trade.

Kospi’s record day can’t save the worst monthly decline since 2008

July 31, 2026, 5:48 a.m. ET

On the heels of a tech-led rebound for Wall Street and fresh optimism around the AI trade, Korea’s stock market came roaring back to life on Friday.

Snapping a bruising, three-session losing streak, the Kospi KR:180721 closed up 17.9%, its biggest percentage rise on record, according to Dow Jones Market Data stretching back to 1985, . The tech-heavy index’s memory-chip superstars — SK Hynix KR:000660 SKHY and Samsung KR:005930 — surged 29% and 26%, respectively. Those were the largest gains on record based on available data back to 1997 for SK Hynix and 1998 for Samsung.

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About the Author

Barbara Kollmeyer

Barbara Kollmeyer is based in Madrid, where she leads MarketWatch's premarket coverage of financial markets and writes the Need to Know column. She has worked in London and Los Angeles for MarketWatch previously. Follow her on Twitter @bkollmeyer.