South Korean stocks opened sharply higher Wednesday, with technology heavyweights leading gains after the tech-heavy Nasdaq Composite recorded back-to-back record closes. The Korea Composite Stock Price Index rose 105.36 points, or 1.5%, to 7,123.27 as of 9:15 a.m. The move followed a mixed session for U.S. stocks on Tuesday, when technology shares pushed the Nasdaq Composite up 0.45% to another record close, while the Dow Jones Industrial Average declined 0.36%.