The Bombay Stock Exchange benchmark Sensex reversed early losses to trade over 130 points in morning trade. The Sensex, which had lost over 167 points in the opening trade, was up by trading 95 points up a short while ago Meanwhile, the broad-based National Stock Exchange index Nifty was up by 44 points at 5,810.Brokers said stocks turned positive as investors returned to buy frontline stocks at prevailing lower levels.