The combined market valuation of seven of the top-10 most valued firms surged by ₹2,16,544.29 crore last week, with Reliance Industries and Bharti Airtel stealing the limelight, in tandem with an optimistic trend in equities. Last week, the BSE benchmark jumped 1,451.37 points or 1.75 per cent.From the top-10 pack, Reliance Industries, HDFC Bank, Bharti Airtel, ICICI Bank, State Bank of India, Bajaj Finance and Hindustan Unilever were the gainers, while Tata Consultancy Services (TCS), Infosys and Life Insu ...