South Korean stocks ended more than 1 percent higher Tuesday, as investors were buoyed by the latest news on an extended cease-fire in the Middle East. The local currency rose sharply against the US greenback. The benchmark Kospi jumped 26.1 points, or 1.05 percent, to close at 2,521.76. Trading volume was slim at 435.8 million shares worth 8.59 trillion won ($6.64 billion), with gainers slightly outnumbering decliners 457 to 417. Individual investors led the rally, purchasing a net 572.6 billio