Seoul shares closed sharply lower Wednesday as investors waited for major events, including this week's US inflation data. The local currency fell against the US dollar. The benchmark Korea Composite Stock Price Index plunged 45.55 points, or 1.67 percent, to close at 2,722.85. Trade volume was moderate at 431 million shares worth 12.7 trillion won ($9.36 billion), with losers far outpacing gainers 673 to 220. F...