Tata Motors Ltd. /zigman2/quotes/209145303/composite TTM +3.74% /zigman2/quotes/209236910/delayed IN:500570 -0.99% disclosed Tuesday that it will raise prices of its commercial vehicles by about 2%, starting Oct. 1. The India-based auto maker said the price increases are to help offset a continued rise in commodity costs, such as steel and precious metals. Tata said it has tried to minimize the price increases by absorbing a portion of the increased commodity costs at various levels of manufacturing. Tata's U.S.-listed shares were indicated up a little more than 1% in Tuesday's premarket, after falling 5.8% amid a three-day losing streak through Monday. It has shed 12.0% over the past three months, while the S&P 500 /zigman2/quotes/210599714/realtime SPX +0.30% has gained 3.2%.