Wholesale prices in April were up 11 percent on the year and 0.5 percent since last month, the Labor Department reported Thursday, as an overheated economy continues to suffer from inflation. The jump in the annual producer price index (PPI), which measures the prices of goods and services that businesses pay to each other, was down just slightly from its spike in March of 11.5 percent, following a similarly shallow dip in the consumer price index (CPI) that came in on Wednesday. Core wholesale inflation, which excludes food and energy commodities, moved up 0.6 percent in April after increasing 0.9 percent in March. ... (full story)