COMMODITIES-US oil down after pipeline cuts flow; soy drops
January 23, 2013 at 17:34 PM EST
*Copper down on subdued China demand Improving global economy weighs on gold. Jan 23- U.S. oil prices fell sharply on Wednesday as pipeline problems raised worries that crude supplies will swell in the country's Midwest, and soybean and grain markets slid in reaction to forecasts for better crop weather in major grower Argentina.
