Indian stock market benchmark Sensex rose 685 points on Friday on strong buying support in IT and banking stocks amid positive cues from global equity markets. The 30-stock S&P BSE Sensex closed at 57,919.97, up 684.64 points or 1.20 per cent from its previous day’s close of 57,235.33 points. Earlier, the Sensex started the day sharply at 58,162.74 points and reached an intra-day high of 58,435.12 points. Due to profit-booking in the last hour of trading, the Sensex reduced the gains to some extent. It touched a low of 57,848.23 points in intra-day. On Thursday, the Sensex closed down 390.58 points or 0.68 per cent. The broader Nifty 50 of the National Stock Exchange closed at 17,185.70, up 171.35 points or 1.01 per cent, from the previous day’s close of 17,014.35. On Thursday, the Nifty had lost 109.25 points or 0.64 per cent. There was strong support for buying in IT and banking stocks.