The South Korea Composite Stock Price Index opened down 0.63%, reversing Wall Street gains as investors dumped tech-heavy stocks. As of 9:15 a.m., the Korea Composite Stock Price Index was down 31.68 points at 5,028.01. Major U.S. stock indices closed higher on Friday, with the S&P 500 rising 0.31% and the Nasdaq Composite gaining 1.09%.