Seoul shares ended sharply higher for a second straight session Wednesday, buoyed by a rally in technology stocks amid concerns that hotter-than-expected US inflation could prod the Federal Reserve to pursue an aggressive tightening mode. The Korean won was trading higher against the US dollar. After opening 0.56 percent lower, the benchmark Korea Composite Stock Price Index closed up 136.23 points, or 2.6 percent, at 5,375.36 after rising as high as 5,377.99. Trade volume was light at 219 milli