ISTANBUL: Canada's industrial product price index (IPPI) annually rose 2.9% in July, marking the fourth straight year-on-year increase last month, according to figures released Wednesday. The annual figure for June was slightly revised up to a gain of 2.9%, from an increase of 2.8%. The biggest contributors to the year-on-year increase in July were unwrought gold, silver, platinum group metals and their alloys which gained 25.3%, while unwrought aluminum and aluminum alloys rose 26.3%. On a monthly basis, however, IPPI remained unchanged in July compared to the previous month. The monthly IPPI figure for June was revised down to a decline of 0.1% from no change. Higher prices for energy and petroleum products, which rose 2%, were offset by lower prices for lumber and other wood products that fell 3.4%, Statistics Canada said in a statement. "Excluding energy and petroleum products, the IPPI declined 0.2%," it added. Source: Anadolu Agency