The combined market capitalisation (m-cap) of six of the country's top-10 firms went down by Rs 42,791 crore during the past week, with two of the country's top lenders -- SBI and ICICI Bank -- bearing the maximum loss.
Amid a weak stock market, which fell by 458 points, or 2.29 per cent, last week, the market valuation of State Bank of India also declined by Rs 21,256.29 crore to Rs 1,73,768.19 crore as on Friday's trade.
Similarly, private sector lender ICICI Bank too saw its m-cap diminishing by Rs 7,385.32 crore to Rs 1,28,343.91 crore.
During the last week, SBI's scrip plunged 10.89 per cent, while ICICI's tanked by 5.44 per cent on the Bombay Stock Exchange.