Benchmark stock indices Sensex and Nifty bounced back on Monday after three straight days of losses following buying in IT and financial shares and a rally in global peers.Photograph: Danish Siddiqui/ReutersThe 30-share BSE Sensex benchmark climbed 319.07 points, or 0.38 per cent, to close at 83,535.35.In the intraday session, the index rallied 538.21 points, or 0.64 per cent, to hit a high of 83,754.49.The NSE Nifty advanced 82.05 points, or 0.32 per cent, to settle at 25,574.35. During the day, it climbed ...