Business Stocks in focus: Bharti Airtel, Indigo Paints, ACC, GAIL, Power Grid, RIL, Future Retail, HDFC News Desk February 3, 2021 Following the two day rally, the Sensex has surged 3,511 points or 7.58 per cent and the Nifty has zoomed 1,007.25 points or 7.38 per cent in two sessions together …