Sensex, Nifty rebound on IT stock rally; Sensex climbs 331 points to 77,265, Nifty gains 85 points to 24,176. MUMBAI: Benchmark equity indices sensex and Nifty rebounded on Friday after two days of losses and ended higher, tracking buying in blue-chip IT stocks and a rally in global markets. The 30-share BSE sensex climbed 331...