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Asian Shares Drop, with South Korea's Kospi Down More than 5%

The exchange moved to limit disorderly selling after AI-related shares slid, with SK Hynix down 8.4% and Samsung Electronics off 5.4%, traders said.

  • On Friday, June 5, 2026, the Korea Exchange activated a sell-side sidecar for the Korea Composite Stock Price Index as the index plummeted 5.1% by midday, triggering a five-minute program trading suspension.
  • Following a retreat in U.S. markets where Broadcom sank 12.6% on missed forecasts, investors dumped AI-related shares, causing South Korea's SK Hynix to plunge 8.4% and Samsung Electronics to shed 5.4%.
  • Markets across Asia also declined, with Japan's Nikkei slipping 1.4% to 66,532.35 and Hong Kong's Hang Seng falling 0.8% to 25,047.83, reflecting broader uncertainty over the Strait of Hormuz.
  • ING strategists Warren Patterson and Ewa Manthey noted that hopes for a U.S.-Iran deal may be "overly optimistic." Oil prices stabilized after falling Thursday, though the energy shock continues threatening economic growth.
  • Despite the sell-off, the KOSPI has roughly doubled in the past year, lifted by gains for big tech companies. Analysts question whether the AI-driven market surge can sustain these record-breaking heights.
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22 Articles

Associated Press NewsAssociated Press News
+16 Reposted by 16 other sources
Lean Left

Asian shares drop, with South Korea's Kospi down more than 5%

Shares have fallen in Asia, with South Korea's benchmark dropping more than 5%, after sharp declines for some big artificial intelligence-related stocks in the U.S.

·New York, United States
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The Korea TimesThe Korea Times
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연합뉴스-Yonhap News Agency연합뉴스-Yonhap News Agency
Lean Left

KRX issues sell-side sidecar for KOSPI on sharp fall

The country's bourse operator on Friday activated a sell-side sidecar for the benchmark Korea Composite Stock Price Index (KOSPI) as the index nose...

·Seoul, Korea (the Republic of)
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Center

KOSPI Plunges Over 6%... Sell-side Circuit Breaker Triggered Early in Trading

Broadcom's share price sank 12 percent, and this morning Samsung's share price fell more than 4 percent and SK Hynix's more than 7 percent.

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연합뉴스-Yonhap News Agency broke the news in Seoul, Korea (the Republic of) on Friday, June 5, 2026.
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