Producer prices recorded their largest drop in three years in April as gasoline and food costs tumbled, pointing to weak inflation pressures that should give the Federal Reserve latitude to keep monetary policy very accommodative. The Labor Department said on Wednesday its seasonally adjusted producer price index fell 0.7 percent last month, the biggest decline since February 2010. Wholesale prices had dropped 0.6 percent in March. A Reuters survey of economists had forecast prices received by the nation's farms, factories and refineries dropping 0.6 percent last month. In the 12 months through April, wholesale ... (full story)