Seoul shares opened higher Tuesday, bucking overnight losses on Wall Street, with investors remaining concerned about higher interest rates and a slowdown in the global economy. The Korea Composite Stock Price Index (KOSPI) rose 6.04 points, or 0.25 percent, to 2,407.96 in the first 15 minutes of trading. Overnight, the Dow Jones Industrial Average fell 0.2 percent to 31,438.26 points and the tech-heavy Nasdaq shed 0...