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KRX activates circuit breaker for KOSPI amid sharp sell-off

Created at 28 Jul · 12:21 AM5 sources↑ Market-relevant4 events
IN SHORT

South Korean stocks crashed over 10 percent Tuesday, with the KOSPI index falling 10.84% to 6,023.66. The selloff was driven by tech shares amid growing skepticism about large-scale AI investment and competition from Chinese chipmakers.

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Key Numbers

10.84%KOSPI index decline
6,023.66KOSPI closing level
732.09KOSPI points lost
20 minutestrading halt duration
2.2%PHLX chip index decline

Who's Involved

KRX
South Korea's bourse operator that activated a circuit breaker
KRX activates circuit breaker for KOSPI amid sharp sell-off

↳ Why This Matters

The significant drop in the KOSPI index highlights growing investor concerns about the sustainability of AI investment and the competitive landscape, potentially impacting global tech stocks and semiconductor markets.

Key facts

  • South Korean stocks crashed over 10 percent Tuesday.
  • The KOSPI index fell 10.84% to 6,023.66.
  • Tech shares were sold off due to doubts over AI investment.
  • The KRX activated a circuit breaker, halting trading for 20 minutes.
  • The PHLX chip index also declined.

Seoul shares crashed more than 10 percent Tuesday as investors sold off tech shares amid intensifying doubts over the future of large-scale investment into artificial intelligence (AI) infrastructure. The benchmark Korea Composite Stock Price Index (KOSPI) lost 732.09 points, or 10.84 percent, to close at 6,023.66, marking its lowest closing since April 14. The massive selloff followed an overnight decline on Wall Street, triggered by rising skepticism about tech giants' heavy spending on AI. The PHLX chip index, a gauge of U.S. semiconductor giants, extended its recent selloff, falling 2.2 percent. At 10:14 a.m., the KRX activated a marketwide circuit breaker to halt trading of KOSPI-listed shares for 20 minutes due to the sharp plunge.

Frequently asked questions

The decline was driven by heavy selling of tech shares due to intensifying doubts over large-scale AI investment and competition from Chinese chipmakers.

A circuit breaker is a mechanism that temporarily halts trading to prevent excessive price volatility and allow investors to reassess market conditions.

The KOSPI index plunged over 10 percent, closing down 10.84% at 6,023.66 points.

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How It Developed

South Korea's KRX activated a sell-side sidecar for KOSPI due to a sharp decline.
South Korea's bourse operator activated a circuit breaker for the KOSPI index, halting trading for 20 minutes due to an 8% plunge.
Seoul shares plunged over 8% Tuesday morning due to tech stock sell-offs driven by AI spending concerns.
Seoul shares crashed over 10 percent Tuesday as investors sold off tech shares on intensifying doubts over large-scale AI investment.
The KOSPI index lost 732.09 points, or 10.84 percent, to close at 6,023.66.
The PHLX chip index fell 2.2 percent.

Sources

T1
KRX activates sell-side sidecar for KOSPI on sharp declineYonhap News Agency
T1
Bourse operator issues circuit breaker for KOSPI on sharp fallYonhap News Agency
T1
Seoul shares sharply down late Tues. morning on tech slumpYonhap News Agency
T1
Seoul shares crash over 10 pct on heavy tech selloff amid AI skepticismYonhap News Agency
T1
Shares slip as chip stocks come under heavy selling: Here's whyEuronews

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