The Industrial Product Price Index (IPPI) edged up 0.2% in March, led by higher prices for petroleum and coal products. However, the advance of IPPI was moderated by primary metal products (-1.0%). The Raw Materials Price Index (RMPI) declined 1.6%, largely because of mineral fuels. The IPPI was up 0.2% in March compared with February. Despite a third consecutive gain, the IPPI remained below its recent 2011 peak. The number of product groups that have risen since the beginning of the year declined from 10 in January to 6 in March. The increase in the IPPI in March was primarily the result of higher prices for ... (full story)