As many as five companies among the elite club of top-10 Sensex firms have witnessed an erosion of over Rs 24,000 crore from their market capitalisation previous week, while Reliance Industries (RIL) maintained the top position with a valuation of Rs 3.49 lakh crore.
In the week ended November 20, the five firms -- ONGC, MMTC, NMDC, BHEL and Bharti Airtel -- together lost a sum of Rs 24,665.37 crore from their market valuation.
However, the other five firms -- RIL, NTPC, SBI, Infosys Technologies and TCS -- added Rs 12,365.47 crore to their market capitalisation (m-cap).
The country's most-valued firm, RIL, added Rs 1,388 crore to its market cap, taking its total valuation to Rs 3,49,188 crore previous week, while mining giant NMDC was the biggest loser as it shed Rs 8,445 crore from its valuation.
The numero-uno RIL had a market cap of Rs 3,47,799 crore in the week ended November 13.
State-run oil firm ONGC was at the second position, even though it saw a decline of Rs 3,069 crore from its market cap, with its total valuation at Rs 2,50,066 crore.
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Power producer NTPC inched up to third slot from fourth after adding Rs 124 crore, while trading behemoth MMTC slipped to fourth place after losing Rs 7,883 crore from its m-cap.
The total market valuation of NTPC surged to Rs 1,77,360 crore, while the m-cap of MMTC declined to Rs 1,72,259 crore.
NMDC stood at the fifth place followed by SBI and Infosys Technologies. The market capitalisation of NMDC stood at Rs 1,64,356.64 crore.
The market valuation of public sector lender SBI stood at Rs 1,48,292 crore, while Infosys Technologies' market cap surged to Rs 1,39,173 crore.
IT firm TCS added Rs 4,521 crore, with its m-cap at Rs 1,35,692.68 crore.
Power equipment maker BHEL climbed to ninth position from tenth even after losing Rs 465 crore from its m-cap. Telecom services provider Bharti Airtel lost Rs 4,803 crore, with its market valuation at Rs 1,09,633.76 crore.
Meanwhile, the 30-share Sensex gained 1.02 per cent to close at 17,021.85 points at the end of Friday's trade on the Bombay Stock Exchange.
In the top-10 club, RIL is followed by ONGC (Rs 2,50,066 crore), NTPC (Rs 1,77,359.84 crore), MMTC (Rs 1,72,259 crore), NMDC (Rs 1,64,356.64 crore), SBI (Rs 1,48,292 crore), Infosys (Rs 1,39,173 crore), TCS (Rs 1,35,693 crore), BHEL (Rs 1,10,707 crore), and Bharti Airtel (Rs 1,09,634 crore).