The combined market valuation of six of the top-10 valued firms climbed Rs 63,478.46 crore last week, led by Larsen & Toubro and State Bank of India, which emerged as the biggest winners. The 30-share BSE Sensex rose 187.95 points, or 0.22 per cent, over the past week. Larsen & Toubro, State Bank of India (SBI), HDFC Bank, Life Insurance Corporation of India (LIC), Bajaj Finance, and Reliance Industries were the gainers, while Bharti Airtel, ICICI Bank, Infosys, and Tata Consultancy Services saw their valuations erode. The market valuation of Larsen & Toubro jumped by Rs 28,523.31 crore to Rs 6,02,552.24 crore. SBI added Rs 16,015.12 crore to Rs 11,22,581.56 crore. The valuation of HDFC Bank climbed by Rs 9,617.56 crore to Rs 14,03,239.48 crore, and that of LIC edged higher by Rs 5,977.12 crore to Rs 5,52,203.92 crore. The market capitalisation (mcap) of Bajaj Finance advanced Rs 3,142.36 crore to Rs 6,40,387 crore, and that of Reliance Industries went up Rs 202.99 crore ..