New Delhi, Oct. 19 -- The combined market valuation of seven of the top-10 most valued firms surged by Rs 2,16,544.29 crore last week.

Reliance Industries and Bharti Airtel remained key performers with an optimistic trend in equities. The market valuation of Reliance Industries jumped Rs 47,363.65 crore to Rs 19,17,483.71 crore while Bharti Airtel added Rs 41,254.73 crore taking its valuation to Rs 11,47,235.08 crore.

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 Insurance Corporation of India (LIC) faced erosion from their valuation. In a rank-wise analysis, Reliance Industries remained the most...