Seoul shares closed lower Friday, snapping a six-session winning streak as investors locked in profits in technology and other large-cap stocks following recent gains. The Korean won sharply fell against the U.S. dollar. The benchmark Korea Composite Stock Price Index (KOSPI) fell 63.14 points, or 1 percent, to finish at 6,244.13. The index still enjoyed a weekly gain of 7.5 percent. Trading volume was heavy at 1.14 billion shares worth 52.94 trillion won (US$36.8 billion), with decliners far