Led by Coal India and ICICI Bank, the combined market valuation of six top companies rose by Rs 34,383 crore last week in line with a positive stock market.
The benchmark, 30-share BSE Sensex rose almost 1% to end the week at 20,996.53.
The market capitalisation (m-cap) of state-run Coal India Ltd (CIL) jumped Rs 11,369 crore to Rs 1,82,921 crore, the biggest gainer among the top-10 companies.
ICICI Bank's m-cap surged Rs 8,656 crore to Rs 1,31,933 crore, while HDFC Bank added Rs 5,050 crore to Rs 1,63,298 crore in its value.
The market valuation of Reliance Industries climbed Rs 4,572 crore to Rs 2,80,229 crore, while State Bank of India's value advanced by Rs 2,757 crore to Rs 1,27,353 crore and the m-cap of Bharti Airtel went up by Rs 1,979 crore to Rs 1,32,773 crore.
In contrast, ITC lost Rs 6,742 crore to Rs 2,47,183 crore, while ONGC's value declined by Rs 3,337 crore to Rs 2,52,044 crore.
The market-cap of Infosys slipped by Rs 1,545 crore to Rs 1,91,025 crore, while TCS suffered a loss of Rs 911 crore to Rs 3,91,735 crore.
The top-10 companies in order of market capitalisation are TCS, followed by Reliance, ONGC, ITC, Infosys, Coal India, HDFC Bank, Bharti Airtel, ICICI Bank and State Bank.