The IPPI advanced 0.6% in June, after gaining 1.2% in May. Of the 21 major commodity groups, 14 were up, 4 were down and 3 were unchanged.

Energy and petroleum products (+3.9%) posted gains for a fourth consecutive month and were the largest contributor to the increase in the IPPI. Higher prices for motor gasoline (+2.6%), light fuel oils (+6.5%) and diesel fuel (+5.4%) were the main reasons for the advance in energy and petroleum products. The IPPI excluding energy and petroleum products rose 0.3% in June.