The South Korean stock market opened lower on September 15 but quickly rebounded, with the KOSPI turning positive and the KOSDAQ rising nearly 2%.
The domestic market began the day with the KOSPI down 25.00 points (0.38%) at 6,659.25, dipping to as low as 6,625.15 before recovering to 6,686.87, up 2.50 points (0.04%) as of 11:26 a.m. The KOSDAQ also started lower, down 0.30 points (0.04%) at 806.49, but reversed course to rise 15.80 points (1.96%) to 822.59.
Early trading was affected by U.S. Treasury yields exceeding 5% and a surge in international oil prices, compounded by concerns over the pace of artificial intelligence (AI) development, which dampened investor sentiment. All three major U.S. stock indices fell overnight.
In terms of trading activity, individuals purchased a net 496.9 billion won in the KOSPI, while foreign investors and institutions sold a net 836 billion won and 297.1 billion won, respectively. In the KOSDAQ, institutions bought a net 84.2 billion won, while individuals sold a net 85.7 billion won.
Among large-cap stocks, Samsung Electronics rose 0.50% and SK Hynix gained 0.88%, with Samsung Electronics preferred shares up 3.54% and LG Energy Solution increasing by 3.41%. Conversely, KB Financial fell 2.20% and Samsung Life dropped 3.02%.
In the KOSDAQ, IOTechniques surged 6.19%, while Rainbow Robotics and Roboteers rose 5.11% and 4.93%, respectively. EcoPro BM and EcoPro also saw gains of 3.46% and 2.82%. However, Juseong Engineering experienced a decline of 4.17%.
* This article has been translated by AI.
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