Shares of ONGC today fell by 1.47 per cent, bringing its market valuation down to Rs 2,63,466 crore, which was lower than RIL's m-cap of Rs 2,66,548 crore at close.
Reliance Industries dropped by 0.18 per cent on BSE. IT major TCS holds the top slot with a market value of Rs 2,83,483 crore on BSE.
ITC with Rs 2,60,879 crore m-cap is the fourth most valued company followed by Coal India (Rs 1,91,449 crore).
Market capitalisation or the value of a listed company is arrived at by multiplying the total number of its shares with stock price on a particular day or time.
This figure changes every day with the change in the stock price.