The 30-share BSE Sensex rises 1.59 points to close flat at 81,510.05. During the day, it climbed 217.88 points or 0.27 per cent to hit an intraday high of 81,726.34. The 30-share BSE Sensex rises 1.59 points to close flat at 81,510.05. During the day, it climbed 217.88 points or 0.27 per cent to hit an intraday high of 81,726.34. Zee News :Business