Domestic stock markets started Friday's session on a positive note. The S&P BSE Sensex surged as much as 191.14 points to touch 35,704.85, while the Nifty50 barometer of the National Stock Exchange climbed 57.15 points to 10,729.40. The gains on Dalal Street were led by auto, metal and financial stocks. At 9:22 am, the Sensex traded at 35,679.47, up 165.76 points or 0.47 per cent from the previous close, and the Nifty was at 10,713.60, up 41.35 points or 0.39 per cent.