Seven of top 10 companies shed value in October

Seven of India's 10 most valuable companies in terms of market capitalisation lost a total of Rs23,883 crore from their market value during the second-quarter result season last month. Among the heavyweight losers were the Minerals and Metals Trading Corp, MMTC, Bharti Airtel and TCS, all of which witnessed significant declines.

Bucking the trend were Mukesh Ambani's Reliance Industries Ltd and state-owned firms National Thermal Power Corp and National Minerals Development Corp, which saw their combined market capitalisation increase by Rs8,731.65 crore.

The biggest loser in terms of market capitalisation during October was MMTC, with a decline of Rs9,636.25 crore, ending the month with a cap of Rs170,186.25 crore. The second biggest loser was telecom giant Bharti Airtel (a drop of Rs6,378.69 crore) followed by software major TCS (Rs2,466.07 crore).

The country's biggest public sector firm, Oil and Natural Gas Corp was the fourth biggest loser with a Rs2,277.9 crore fall in market cap, closing the month with a cap of Rs250,525.84 crore. The other three losers include state run Bharat Heavy Electricals Ltd (Rs1,214.01 crore), IT firm Infosys (Rs1,008.56 crore), and State Bank of India (Rs901.53 crore).

Leading the gainer list was RIL, which saw its market valuation rise by Rs4,839.65 crore, taking its total market cap to Rs3,46,440.26 crore for the month ended 31 October. NTPC saw an increase in its market valuation by Rs2,762.23 crore (m-cap at Rs176,205.48 crore), while NMDC's increased by Rs1,129.77 crore (m-cap at Rs142,055.2 crore).

Of the top 10 companies, five lost a total of Rs18,798.93 crore, while the rest added a combined Rs56,441.29 crore, resulting in a net gain of Rs37,642.36 crore during the week ended 31 October.