As many as eight out of the top 10 most valued companies added over Rs 23,000 crore to their market capitalisation in the last week.
However, oil major Oil & Natural Gas Corporation (ONGC) and telecom giant Bharti Airtel witnessed erosion in their market cap during the week.
The country's most valued firm, Reliance Industries (RIL), gained the most adding Rs 6,169.57 crore to its market cap at Rs 3,43,127.27 crore for the week ended September 19.
RIL had a market valuation at Rs 3,36,957.7 crore for the week ended September 12.
Meanwhile, both ONGC and Airtel together lost Rs 7,688.37 crore in their market valuation.
The market cap of ONGC stood at Rs 2,46,119.77 crore while that of Airtel was seen at Rs 1,57,967.53 crore at the end of the week.
The market cap of trading major MMTC rose by Rs 4,965.25 crore to Rs 1,74,705.25 crore and power major NTPC added Rs 3,339.42 crore taking its total market valuation to Rs 1,72,453.8 crore.
The country's largest iron ore producer, NMDC contributed Rs 693.83 crore to its market cap taking its total market valuation to Rs 1,43,561.79 crore.
IT bellwether Infosys Technologies and public sector lender State Bank of India (SBI) added Rs 232.09 crore and Rs 5,742.49 crore, respectively to their market cap.
The total market cap of Infosys Technologies stood at Rs 1,30,087.49 crore and that of SBI at Rs 1,27,563.26 crore.
Outsourcing firm, Tata Consultancy Services (TCS) climbed to the ninth slot from the tenth after adding Rs 2,201.85 crore to its market valuation, while power equipment-maker Bharat Heavy Electricals (BHEL) slipped to the tenth position even after adding Rs 2,201.85 crore to its market cap.
At the end of the week the total market cap of TCS stood at Rs 1,11,736.55 crore and BHEL at Rs 1,11,015.79 crore.
Apart from the top-10 coveted firms, two private sector lenders, ICICI Bank and HDFC Bank, together added Rs 1,689.07 crore to their market cap.
At the end of the week, the total market cap of ICICI Bank stood at Rs 93,783.37 crore and HDFC Bank at Rs 64,610.96 crore.
In the club of top-10 firms, RIL is followed by ONGC (Rs 2,46,119.77 crore), MMTC (Rs 1,74,705.25 crore), NTPC (Rs 1,72,453.8 crore), Bharti Airtel (Rs 1,57,967.53 crore), NMDC (Rs 1,43,561.79 crore), Infosys (Rs 1,30,087.49 crore), SBI (Rs 1,27,563.26 crore), TCS (Rs 111736.55 crore) and BHEL (Rs 1,11,015.79 crore), in that order.
