Seoul shares sharply up for 4th day on chip rally

South Korean stocks ended sharply higher for the fourth straight session on Thursday as investors scooped up major chipmakers. The Korean won gained ground against the US dollar. The benchmark Korea Composite Stock Price Index rose 210.97 points, or 3.21 percent, to close at 6,790.01, following 0.65 percent, 0.73 percent and 3.68 percent gains in the previous three sessions. After opening 2.96 percent higher, the KOSPI further added gains as foreigners and institutions scooped up major chip heav