South Korea's KOSPI is showing a volatile session on Monday.

As of 11:02 a.m., the KOSPI is up 71.37 points, or 1.22 percent, from the previous session at 5,917.46.

The index opened up 7.39 points, or 0.13 percent, at 5,853.48 from the previous session, then quickly turned lower and slid to 5,775.61. It later rebounded on institutional buying and is extending gains.

In the main board market, individual and foreign investors are net sellers of 641.5 billion won and 157.9 billion won, respectively. Institutions are net buyers of 795.9 billion won, lifting the index.

Overnight, U.S. stocks fell, with all three major indexes sliding more than 1 percent.

On Feb. 23 (local time) on the New York Stock Exchange, the Dow Jones index finished down 821.91 points, or 1.66 percent, at 48,804.06. The S&P 500 fell 71.76 points, or 1.04 percent, to 6,837.75, and the Nasdaq dropped 258.80 points, or 1.13 percent, to 22,627.27.

U.S. President Donald Trump unexpectedly raised a 'worldwide tariff' to 15 percent over the weekend, leaving investors fatigued by volatile trade policy.

Fears that artificial intelligence would encroach on the software sector also weighed on prices.

South Korea's stock market also started the session subdued, but turned higher as chip heavyweights recovered.

Samsung Electronics was up 1.87 percent at 196,600 won, while SK Hynix jumped 4.52 percent to 994,000 won. SK Hynix at one point rose above 1 million won for the first time intraday.

Among other top market-cap stocks, LG Energy Solution rose 4.04 percent, SK Square climbed 7.07 percent and Samsung Biologics gained 0.41 percent, while Hyundai Motor fell 0.96 percent and Doosan Enerbility dropped 1.47 percent.

At the same time, the KOSDAQ was up 11.86 points, or 1.03 percent, at 1,163.85.