Seoul shares fell sharply on Friday, September 11, as surging oil prices heightened inflation concerns. The benchmark Korea Composite Stock Price Index (KOSPI) closed 124.01 points, or 1.76 percent, down at 6,909.91, after opening 3.29 percent lower. The Korean won also fell against the US dollar, with investors awaiting key US inflation data for clues about the Federal Reserve's future interest rate policy. Trade volume was moderate at 265.92 million shares worth $14.4 billion.