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

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 US chip giant Micron Technology's expectation-beating earnings report.

The Korean won fell against the US dollar.

The benchmark Korea Composite Stock Price Index 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.

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