The Bombay Stock Exchange benchmark Sensex gained more than 130 points in afternoon trade and was at 17,260 points at 1330 hrs. Nifty was up at 5,127 at the same time. The Sensex was up by 48 points and at 17,179.67 in opening trade, while, the wide-based National Stock Exchange index also moved up by 12.35 points to trade at 5,102.90 in opening trade. Stocks of auto, PSU and realty were major gainers, supporting the Sensex to trade in positive zone with moderate gains.