![[Seoul=NEWSIS] Reporter Kim Hye-jin = On the morning of the 28th, major indices were displayed on the electronic board at the Hana Bank dealing room in Jung-gu, Seoul. The KOSPI opened at 6,846.54, down 65.83 points (0.95%) from the previous trading day. The KOSDAQ index started trading at 839.10, up 1.45 points (0.17%) from the prior session. The won-dollar exchange rate was trading at 1,380.10 won. August 28, 2026. jini@newsis.com /Photo=Kim Hye-jin](https://thumb.mt.co.kr/cdn-cgi/image/f=avif/21/2026/08/2026082815394652011_1.jpg)
On the 28th, the KOSPI index closed lower amid selling pressure from foreign investors and institutional investors.
The KOSPI index closed at 6,788.88, down 123.49 points (1.79%) from the previous day. After opening at 6,846.54 (-0.95%), it rose to 6,901.78 (-0.15%) during trading before falling to 6,780.13 (-1.91%).
Foreign investors and institutional investors sold net amounts of 1.7563 trillion won and 284.4 billion won, respectively, while retail investors bought net amounts of 424.5 billion won.
Samsung Electronics closed down 3.38% at 257,000 won. SK Hynix closed down 4.45% at 1.653 million won.
Other stocks that declined included Samsung Biologics (-6.78%), Samsung Electronics Preferred (-3.86%), SK Square (-3.75%), and LG Energy Solution (-0.13%).
Stocks that rose included Samsung Electric (+2.60%), KB Financial Group (+2.08%), Samsung Life Insurance (+0.98%), and Hyundai Motor (+0.38%).
The KOSDAQ index closed at 838.41, up 0.76 points (0.09%). Foreign investors and institutional investors sold net amounts of 93.8 billion won and 3.4 billion won, respectively, while retail investors bought net amounts of 98 billion won.
The KOSDAQ index opened at 835.23 (-0.29%), rose to 840.85 (0.38%) during trading, and fell to 829.59 (-0.96%).
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