WSJ: BASE METALS: Copper Edges Higher On China Manufacturing Gains
--Comex May copper recently traded up 3.15 cents, or 0.8%, at $3.8565 a pound
--China's official gauge of manufacturing activity shows expansion in March
--Bank of America-Merrill Lynch increases 2012 copper forecast to $3.75 a pound
NEW YORK (Dow Jones)--Copper futures edged higher on Monday, as traders bet that an upbeat reading on Chinese manufacturing activity pointed to strong demand from the world's top consumer of the industrial metal.