By The Associated PressWHAT'S UP: Silver was an exception Wednesday. It rose while prices fell for other metals including gold, copper, palladium and platinum. ENERGY INDECISION: Energy prices were mixed. Benchmark oil fell in New York. Brent crude rose in London. RAINDROPS FALLING: Prices for wheat, corn and soybeans fell after forecasts for more rain in South America. Brazil and Argentina are major producers of soybeans.