South Korean stocks finished slightly higher on Friday extending its winning run to two days, after moving in a tight range, as institutional buying offset foreign selling. The South Korean won fell against the U.S. dollar. The benchmark Korea Composite Stock Price Index (KOSPI) rose 0.31 percent, or 5.95 points, to 1,956.55. Trading volume was moderate at 201.1 million shares worth 3.41 trillion won (US$3.3 billion), with gainers outpacing losers 545 to 250.