In lacklustre trade last week, six out of top-10 companies added Rs 65,128.41 crore to their total market capitalisation (m-cap).
The country's largest iron ore producer, NMDC, was the biggest gainer among the top-10 Bombay Stock Exchange-listed companies adding Rs 23,550.32 crore to its market cap at Rs 1,89,691 crore last week. It moved up by one notch to the fourth position in the list.
Other companies which saw their valuation rising last week were Reliance Industries (RIL), NTPC, MMTC, Infosys and TCS.
Mukesh Ambani-led RIL maintained numero-uno position and added Rs 2,382.77 crore to its market cap. Its valuation was Rs 3,64,547.45 crore on Friday last week.
On the other hand, four companies -- oil major ONGC, State Bank of India, Bharti Airtel and BHEL -- saw their total valuation declining by Rs 15,399.77 crore last week.
The market cap of ONGC, the second most valued company on the Bombay Stock Exchange (BSE), dipped by Rs 737.91 crore to Rs 2,59,487.71 crore.
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Power producer NTPC was at the third spot and it added Rs 1,360.51 crore to market cap at Rs 1,91,706.95 crore.
State-run trading firm MMTC slipped to the fifth place last week. Its market cap grew by Rs 7,866.75 crore to Rs 1,84,409 crore.
Top outsourcing firm TCS climbed to sixth position from eighth as its valuation rose by Rs 17,869.24 crore to Rs 1,54,971 crore. IT bellwether Infosys Technologies added Rs 12,098.82 crore to its valuation at Rs 1,53,444.89 crore.
Private telecom major Bharti Airtel retained the ninth spot even as it lost Rs 3,037.56 crore from its market cap at Rs 1,20,420.59 crore last week. BHEL was at the bottom of the table as its valuation dipped by Rs 2,545.51 crore to Rs 1,16,074.98 crore.
During the week, the BSE benchmark index Sensex gained 14.01 points or 0.07 per cent to close at 17,554.30 points at the end the Friday's trade on the BSE.