South Korea's main stock market plunged. Chip stocks led a sell-off across Asia.
The fall set off a circuit breaker. A circuit breaker is a safety pause that stops trading.
Samsung fell 9.70%. SK Hynix fell 11.35%. Both make chips for phones and computers.
The drop marked a seventh straight day of losses. It is the longest run since September 2024.
US consumer prices rose 3.7% in September. The number beat the forecast of 3.6%.
Japan's Nikkei index fell more than 5%. Tech investor SoftBank fell more than 9%.
The KOSPI is South Korea's main stock index. An index tracks the prices of many big firms.
Foreign investors sold 2.9 trillion won more shares than they bought. That is about $2.15 billion.
Traders now watch the US Federal Reserve. Its next meeting runs on October 28.
The KOSPI is up 31% so far this year. One bad day does not erase a strong year.
Markets can calm if inflation cools. They can fall more if prices keep rising.
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