As per provisional closing data, the barometer index, the S&P BSE Sensex, jumped 650.39 points or 0.79% to 83,277.15. The Nifty 50 index rallied 211.65 points or 0.83% to 25,682.75. The Nifty 50 has slipped 1.86%, while the BSE Sensex has declined 1.95% over the past three consecutive trading sessions.