KOSPI gives back 150-point rally to close 0.15% higher on Sept. 22

Sep 21, 2026 10:20 (34d ago)

The KOSPI opened 2.20% higher, reached 7,171.44 and closed 0.15% higher after giving back most of its intraday advance.
The index closed at 7,017.91, according to the newer account, while another source reported 7,025.80; Samsung Electronics rose 0.38% and SK Hynix fell 0.11%.
Retail investors bought 156.5 billion won as foreigners sold 57.9 billion won and institutions sold 94.7 billion won; the KOSDAQ fell 0.23% and the won strengthened to 1,358.2 per dollar.

South Korea's KOSPI extended its winning streak to three sessions on Sept. 22, 2026, after opening 2.20% higher and reaching 7,171.44 on global technology strength, semiconductor gains and optimism surrounding Meta's Muse AI agent. The index closed 10.19 points, or 0.15%, higher at 7,017.91, although another source account reported a close of 7,025.80. Foreign and institutional selling offset retail buying, while rebounding oil prices and profit-taking weakened afternoon sentiment. The KOSDAQ fell 0.23% to 834.38, and the won strengthened 22.8 won to 1,358.2 per dollar.