▲ Financial data is shown on a screen inside the dealing room of Hana Bank in central Seoul on June 25, 2026. (Yonhap)

stocks-summary

KOSPI spikes over 5 pct, briefly topping 9,000 level again on chip rally after Micron earnings

SEOUL, June 25 (Yonhap) -- South Korean stocks soared by more than 5 percent Thursday, briefly topping the 9,000-point level again, driven by a tech rally ignited by U.S. chip giant Micron Technology's expectation-beating earnings report. The Korean won fell against the U.S. dollar.

The benchmark Korea Composite Stock Price Index (KOSPI) gained 459.28 points, or 5.42 percent, to close at 8,930.30, following a 3.26 percent gain the previous day.

The index briefly topped the 9,000-point threshold, rising as high as 9,044.04.

The index pulled off a strong start, with a buy-side sidecar issued shortly after the market opened, as Micron, the world's No. 3 memory chipmaker, released its stronger-than-expected quarterly earnings, brushing off lingering concerns about the sustainability of an artificial intelligence (AI) rally.

Micron is a major beneficiary of the AI infrastructure spending boom along with Samsung Electronics and SK hynix thanks to rising demand for memory chips and high-bandwidth memory (HBM).

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