Benchmark Sensex and Nifty rebounded nearly 1 per cent at close on Tuesday amid firm trends in global equities and buying in index major Reliance Industries and banking stocks.The 30-share BSE Sensex climbed 445.73 points or 0.77 per cent to settle at 58,074.68. During the day, it rallied 504.38 points or 0.87 per cent to 58,133.33.