South Korean stocks closed 0.19 percent lower Wednesday as investor sentiment weakened over concerns about China's economic slowdown, analysts said. The local currency fell against the U.S. dollar. After trading higher, the benchmark Korea Composite Stock Price Index (KOSPI) declined 3.85 points to 2,000.37. Trading volume was light at 231.7 million shares worth 3.82 trillion won (US$3.68 billion), with losers outnumbering gainers 536 to 261.