The combined market valuation of seven of the top-10 most valued firms eroded by Rs 88,635.28 crore in a holiday-shortened last week, with Bharti Airtel and Tata Consultancy Services taking the biggest hit, in line with the weak trend in equities.

In a holiday-shortened last week, the BSE benchmark tanked 722.43 points or 0.86 per cent, and the Nifty declined by 229.8 points or 0.89 per cent.

While Reliance Industries, HDFC Bank, Bharti Airtel, Tata Consultancy Services (TCS), ICICI Bank, Infosys and Hindustan Unilever faced erosion from their valuation, State Bank of India, Bajaj Finance and Life Insurance Corporation of India (LIC) were the gainers from the top-10 pack.

The market valuation of Bharti Airtel tumbled Rs 30,506.26 crore to Rs 11,41,048.30 crore.

TCS faced an erosion of

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