The benchmark KOSPI is displayed at a dealing room of Hana Bank in Seoul, Wednesday. Yonhap

Seoul stocks were trading higher late Wednesday morning, as foreign investors snapped up tech heavyweights.

The benchmark Korea Composite Stock Price Index (KOSPI) rose 373.89 points, or 5.54 percent, to 7,121.84 as of 11:20 a.m.

The index extended its gains after rising sharply higher on bargain hunting.

Overnight U.S. stocks also gained ground, led by semiconductors while investors closely follow the upcoming earnings releases from major big tech companies.