South Korean stocks rose Thursday, rebounding from recent big losses, as worries that the US Federal Reserve would scale down fiscal stimulus measures eased, dpa reported. The benchmark Kospi index gained 51.25 points, or 2.9 per cent, to close at 1,834.70. Gainers outnumbered losing issues 743 to 115. The technology-heavy Kosdaq index surged 19.18 points, or 3.9 per cent, to close at 512.25. On currency markets, the won closed at 1,149.70 to the dollar, from 1.154.50 won on Wednesday.