KOSPI Breaks Above 6,370 for the First Time Ever... 6,400 Is in Sight [fn Afternoon Market Update]
- Input
- 2026-04-21 14:37:35
- Updated
- 2026-04-21 14:37:35

As of 2:33 p.m. that day, the KOSPI Composite Index was trading at 6,363.23, up 144.14 points, or 2.32%, from the previous trading day. It opened at 6,302.54, up 83.45 points, or 1.34%, from the previous session. The index surged early in the day and kept setting new records.
In the KOSPI Market, individual investors sold 1.996 trillion won worth of shares, while foreign investors and institutions bought 1.3918 trillion won and 746.4 billion won worth, respectively.
Among the 14 largest stocks by market capitalization, Samsung SDI, Samsung Electro-Mechanics, LG Energy Solution, and HD Hyundai Heavy Industries were among the strongest performers, rising 19.70%, 13.53%, 10.14%, and 9.16%, respectively. SK hynix, the second-largest stock by market cap, topped 1.2 million won for the first time ever on the day. It was trading at 1,218,000 won, up 4.46% from the previous session.
Samsung Electronics, the largest stock by market cap, was trading at 218,000 won, up 1.63%. Hanwha Aerospace, KB Financial Group, and Samsung Biologics were weaker, falling 2.64%, 0.68%, and 0.62%, respectively.
The KOSDAQ Index was trading at 1,175.68, up 0.83 points, or 0.07%, from the previous session. It opened at 1,186.23, up 11.38 points, or 0.97%, from the previous day’s 1,174.85.
In the Seoul Foreign Exchange Market, the won opened at 1,472.4 per dollar, down 4.8 won from the previous session.
khj91@fnnews.com Kim Hyun-jung Reporter