The BSE Sensex jumped 1,233.25 points, or 1.66%, to close at 75,692.78. The index had opened at 75,178.24 and touched an intraday high of 75,692.78, ending the session at its day's peak. Markets closed sharply higher with Nifty jumping 1.68% to 23,440.80 and Sensex gaining over 1,200 points, reflecting a broad-based bullish sentiment. Energy stocks were the top performers, leading.