The combined market valuation of eight of the top-10 most valued firms surged Rs 1,53,019.32 crore last week, with Bharti Airtel and IT majors Infosys, Tata Consultancy Services emerging as the biggest gainers, in line with a record rally in equities. Last week, the BSE benchmark jumped 1,279.56 points or 1.57 per cent. Rallying for the ninth straight session on Friday, the 30-share BSE Sensex climbed 231.16 points or 0.28 per cent to settle at an all-time closing high of 82,365.77. During the day, it jumped 502.42 points or 0.61 per cent to hit a record intra-day peak of 82,637.03. The market valuation of Bharti Airtel soared Rs 47,194.86 crore to Rs 9,04,587.12 crore. Infosys added Rs 33,611.37 crore taking its valuation to Rs 8,06,880.50 crore. The valuation of Tata Consultancy Services (TCS) jumped Rs 31,784.9 crore to Rs 16,46,899.17 crore and that of ICICI Bank surged Rs 18,734.3 crore to Rs 8,66,374.41 crore. The market capitalisation (mcap) of Reliance Industries climbed