Stock Market News Today Live Updates: Nifty Reclaims 23,650, Sensex Gains 100 Points; Tata Communications Surges 7% by NDTV Profits | May 20, 2026 3:30 pm | Latest Posts, Market, Trending News Nifty Oil & Gas and Energy indices rose around 1.35% and 1.19%, leading sectoral gains. Auto and Realty indices also advanced, while Pharma and PSU Bank saw marginal uptick.