South Korean stocks closed 0.35 percent higher on Wednesday as speculations over stimulus measures continued to bolster investor sentiment, analysts said. The local currency rose against the U.S. dollar. The benchmark Korea Composite Stock Price Index (KOSPI) jumped 6.63 points to 1,874.45, gaining for a second straight session. Trading volume was moderate at 332.6 million shares worth 4.5 trillion won (US$4 billion), with gainers outnumbering decliners 451 to 344.