Sensex jumps 240 pts; reclaims 28k-mark after ten weeks NS 8 years ago The benchmark BSE Sensex surged by 240 points on across-the-board buying reclaiming the 28,000-mark after 10 weeks on Wednesday. The 50-share NSE Nifty also regained the 8,400-mark by climbing 84.55 points or 1.01 per cent to 8,453.05.