South Korean stocks close up 3.29%, Samsung Electronics up 5.67%, SK Hynix up 5.8%

2026. 10. 21. 22시 40분 1초

Bollcoin reported on October 21 that South Korea's KOSPI index closed up 182.93 points, or 3.29%, at 5,735.67 points on October 21 (Wednesday). Samsung Electronics rose 5.67%, and SK Hynix rose 5.8%.