The market valuation of TCS surged ₹ 1,08,542.63 crore to ₹ 8,91,134.96 crore, the most among the top-10 firms The combined market valuation of nine of the top-10 most valued firms surged by ₹ 3.65 trillion last week, with TCS, Bharti Airtel and Infosys emerging as the biggest winners, amid a bullish trend in equities. Last week, the BSE benchmark Sensex surged 2,256.94 points, or 3.11 per cent, and the NSE Nifty jumped 625.7 points, or 2.77 per cent.