Seoul shares ended lower Tuesday, led by declines in technology stocks, amid concerns over rising bond yields at multidecade highs. The Korean won rose against the US dollar. After opening higher, the benchmark Korea Composite Stock Price Index turned lower to close down 62.35 points, or 0.89 percent, at 6,941.39. Trade volume was light at 257.27 million shares worth 19.1 trillion won ($14.2 billion), with decliners outnumbering gainers 459 to 424. Foreigners and institutions sold a net 1.75 tri