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World shares are mixed, while South Korea’s Kospi sinks nearly 11% on heavy selling of chipmakers

Foreign investors sold 4.98 trillion won as chipmakers tumbled and Korea Exchange halted trading after the Kospi fell more than 10%.

  • South Korea’s benchmark Kospi index suffered its largest single-day drop in five months on Tuesday, plunging 10.84% to close at 6,023.66 after an aggressive sell-off in semiconductor heavyweights triggered automatic trading halts.
  • The massive market rout was led by the country's two dominant memory-chip makers, with SK Hynix plummeting 14.7% and Samsung Electronics sinking 13.4%, wiping out billions in market value as foreign investors dumped a net 5 trillion won in shares.
  • Global market sentiment was severely rattled by a technology report indicating that Chinese firm Shanghai Yuliangsheng has broken the Western monopoly by beginning mass production of homegrown deep ultraviolet chipmaking tools.
  • Investor anxiety was further stoked by fears that the prolonged artificial intelligence boom is turning into a capital expenditure bubble, amplified by a massive 466% trading-debut surge from Chinese rival memory-maker CXMT in Shanghai.
  • While regional neighbors felt the tech pain—with Tokyo's Nikkei diving 4% and Taiwan dropping over 4%—global markets outside of Asia remained mixed, as early European indexes like the FTSE 100 and DAX managed modest gains of 0.6%.
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The concern about increasing competition from China has caused the semiconductor titles to break down in Asia. However, the AI rally is also stalling in the USA. The DAX has also been slowed down.

·Hamburg, Germany
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Lean Right

The South Korean Kospi index broke down 11% this Tuesday, pulled by intense sales of shares from computer chip manufacturers, roles that have recently been hit by successive divestiture waves triggered by the fear that the artificial intelligence boom will turn out to be a bubble. Most other markets in Asia have retreated, while future contracts in the United States operated in a mixed way. Oil prices have fallen by more than 2%. Exclusive mater…

·Rio de Janeiro, Brazil
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Cryptopolitan broke the news on Monday, July 27, 2026.
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