Seoul shares ended lower Monday, snapping a three-day rally as tech and battery stocks slumped due to foreign selling. The Korean won rose against the US dollar. The benchmark Korea Composite Stock Price Index lost 24.01 points, or 0.92 percent, to close at 2,593.79, marking its first drop in four trading sessions. Trade volume was moderate, with 476.4 million shares worth 8.76 trillion won ($6.3 billion) changing hands, as decliners outnumbered gainers 514 to 350. Foreign investors sold a net 3