Sensex, Nifty, Share Prices LIVE: Markets surged at the open on Wednesday, April 15, with the Sensex jumping 1,274 points and the Nifty50 gaining over 380 points, as hopes of renewed U.S.-Iran diplomatic talks and a sharp fall in crude oil prices lifted sentiment across sectors. The Sensex, which closed at 76,847.57 on Monday, opened at 77,981.10 and was trading at 78,121.75, up 1.66 per cent, as