The 30-share BSE Sensex jumped 803 points or 1.04 per cent to make an intraday high of 77,989.44. The 50-share NSE Nifty made a high of 24,288.90, up 216 points or 0.90 per cent.
The barometer declined by 370 points to hit a low of 57,744.70 amid losses in global equities following worries over tensions between the US and China in afternoon trade