KOSPI Ends Flat After Volatile Trading Amid Foreign and Institutional Selling

By SONG YOONSEO Posted : September 3, 2026, 16:32 Updated : September 3, 2026, 16:32

After a nearly 4% drop the previous day, the KOSPI index rebounded by over 1% in early trading on September 3, but faced significant selling pressure from foreign and institutional investors in the afternoon, causing fluctuations of more than 200 points. Ultimately, the index recovered most of its losses and closed flat. The KOSDAQ also ended slightly lower.


According to the Korea Exchange, the KOSPI closed at 6,579.48, up 16.76 points (0.26%) from the previous trading day. The index opened at 6,650.33, reflecting an increase of 87.61 points (1.33%), and maintained a rise of over 1% for a time.


The market dynamics shifted dramatically around 2 p.m. At 2:16 p.m., foreign and institutional investors sold a net 224.9 billion won and 117.3 billion won, respectively, applying downward pressure on the index. Although individual investors purchased a net 353.5 billion won, it was insufficient to prevent the decline. The KOSPI, which had been above 6,600 earlier, quickly fell to the 6,430 range, fluctuating more than 200 points from its peak. However, it managed to recover before the market closed.


In the securities market, individual, foreign, and institutional investors sold a net 11.32 trillion won, 2.09 trillion won, and 2.71 trillion won, respectively.


Among the top market capitalization stocks, performances were mixed. Samsung Electronics traded at 250,000 won, down 0.20%, while SK Hynix fell 1.05% to 159,600 won. Other decliners included SK Square (-0.10%), Samsung Electro-Mechanics (-3.71%), Samsung Biologics (-1.60%), and Samsung C&T (-0.27%). Conversely, LG Energy Solution (5.18%), Hyundai Motor (1.46%), KB Financial (5.20%), and Samsung Life Insurance (3.06%) saw gains.


At the same time, the KOSDAQ index closed at 803.82, down 13.77 points (0.02%). It opened at 814.31, down 10.33 points (1.28%).


In the KOSDAQ market, individual investors were net buyers, purchasing 341.2 billion won, while foreign and institutional investors sold a net 132.3 billion won and 197.7 billion won, respectively.


Among the top KOSDAQ stocks, performances varied. Alteogen (-5.19%), EcoPro (-0.37%), Juseong Engineering (-3.28%), Wonik IPS (-3.28%), and Simmtech (-4.16%) declined, while EcoPro BM (0.19%) and IOTechniques (3.98%) gained.





* This article has been translated by AI.

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