Korean stock market surges triggering a circuit breaker, chip stocks rebound, SK Hynix and Samsung Electronics rise over 6%

2026-02-05 01:50:57

Abstract generation in progress

On February 3rd, the Korean and Japanese stock markets opened significantly higher. As of 8:40 Beijing time, the Nikkei 225 index was up over 2.4%; the KOSPI index in South Korea was up over 3.6%. South Korea’s KOSPI 200 futures rose 5%, with algorithmic trading paused for 5 minutes.

In the previous trading day, SK Hynix and Samsung Electronics, both of which experienced large-scale sell-offs, each rose over 6%, driving a rebound in Korean chip stocks. According to Securities Times, data from the Q4 2025 financial reports of NAND flash memory giants SK Hynix and SanDisk show that the ASP (average selling price) of NAND increased by more than 30%. Additionally, some analysts point out that “hot money” withdrawn from precious metals and cryptocurrencies is seeking new narratives, and storage chips, supported by strong fundamentals, may attract these funds.

According to Caixin, the Bank of Korea stated that it expects the inflation rate in February to remain around 2%.

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