The BSE Sensex soared to an all-time high of 31,450.32 today. The NSE Nifty also moved up by 33.85 points, or 0.35 per cent, to 9,667.45. Major contributors to the recovery were HDFC Ltd, PowerGrid, Asian Paints, Tata Motors, Tata Motors DVR, Sun Pharma and Axis Bank, gaining up to 1.37 per cent.