The combined market capitalisation (m-cap) of six of the country's top-10 firms increased by Rs 16,103.97 crore during the past week, with state-run Coal India emerging as the biggest gainer amid a sluggish broader market.
Coal India (CIL) added Rs 5,211 crore to take its market cap to Rs 2,24,609.76 crore during the week under review, thus emerging as the top-gainer among the country's top-10 firms by market weight.
After CIL, State Bank of India -- the country's biggest lender -- also saw its valuation swell by Rs 3,778.19 crore to Rs 1,76,463.72 crore.
The m-cap of TCS stood at Rs 2,33,865.83 crore, while that of Infosys was Rs 1,85,272.11 crore.
Similarly, the m-cap of private telecom player Bharti Airtel advanced by Rs 2,544.34 crore to Rs 1,37,489.21 crore, while FMCG major ITC's valuation accelerated by Rs 1,083.33 crore to Rs 1,42,458.42 crore. In sharp contrast, Reliance Industries (RIL), ONGC and NTPC suffered losses in m-cap during the week.
Market leader RIL witnessed a loss of Rs 3,603.76 crore, reducing its market capitalisation to Rs 3,35,288.24 crore, while state-run ONGC's valuation slipped by Rs 3,764.41 crore to Rs 2,46,782.82 crore.
Power producer NTPC lost Rs 4,328.87 crore from its valuation, taking its market worth to Rs 1,51,427.87 crore.
Private lender ICICI Bank also witnessed a dip of Rs 536.7 crore in its valuation, which stood at Rs 1,26,153.61 crore at the end of the week's trade. During the past week, the BSE 30-share Sensex fell by 31.06 points, or 0.15%, to settle at 19,451.45 at the end of Friday's trade.