Bullstory
May 27, 2026

KOSPI 8,400 breaks through · Samsung Electronics’ combined market cap 2,000surpasses trillion won

The KOSPI 8,400 topped the mark, posting an intraday gain of 4 percent. Samsung Electronics’ combined market capitalization 2,000 surpassed the trillion-won mark, while SK hynix announced it had joined the '1trillion-dollar club.' Meanwhile, Kakao shares fell 35 percent on the day a strike was approved, slipping below 4 won.

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KOSPI 8,400 breaks through · Samsung Electronics’ combined market cap 2,000surpasses trillion won

The KOSPI 8,400 broke through the mark, with the market rising more than 4 percent intraday. It opened at 8,242.12, and just after the opening, a gain of 194.61 points (2.42 percent) was observed. Overall, large-cap stocks led the market higher. Domestic semiconductor heavyweights opened strongly in premarket trading in response to news from a U.S. semiconductor company. Samsung Electronics’ combined market capitalization 2,000 exceeded 1 trillion won. SK hynix was reported to have joined the '31trillion-dollar club.' In premarket trading, Samsung Electronics was reported to have opened around 220 ten-thousand won, while SK hynix opened around 35 ten-thousand won. This momentum carried over into the Korean market, lifting memory-related stocks. Trading was active early in the session. During the same period, Kakao shares fell 4 percent on the day the union approved a strike, dropping below the level of

Sources: 국내언론,매일경제 증권,연합인포맥스,파이낸셜뉴스 증권,연합뉴스 경제

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