The market valuation of top seven Sensex firms advanced by Rs 84,494.52 crore last week, in line with an overall strong stock market with RIL and ONGC emerging as the biggest gainers.
The list of gainers include ITC, CIL, HDFC Bank, SBI and ICICI Bank, while those who suffered losses in their market capitalisation (m-cap) were TCS, Infosys and HDFC.
The m-cap of RIL surged Rs 22,319.67 crore to Rs 3,22,369.67 crore, becoming the top gainer among the country's 10 most valued firms.
ONGC's m-cap zoomed Rs 15,956.17 crore to Rs 2,97,517.17 crore, while ICICI Bank added Rs 14,240.62 crore to Rs 1,58,818.62 crore.
The m-cap of HDFC Bank went up by Rs 9,688.41 crore to Rs 1,81,806.41 crore.
SBI's market cap surged Rs 9,474.94 crore to Rs 1,62,207.94 crore, while that of CIL jumped Rs 8,559.24 crore to Rs 1,95,207.24 crore.
Similarly, ITC's market cap rose by Rs 4,255.47 crore to Rs 2,74,782.47 crore.
On the other hand, TCS's market value plunged Rs 9,332.71 crore to Rs 4,23,320.29 crore and Infosys' value declined by Rs 6,568.7 crore to Rs 1,78,323.30 crore.
The value of HDFC fell by Rs 3,784.05 crore to Rs 1,37,918.95 crore.
In the ranking of top-10 firms, TCS stood at its numero- uno position, followed by RIL, ONGC, ITC, CIL, HDFC Bank, Infosys, SBI, ICICI Bank and HDFC.
Over the past week, the benchmark BSE Sensex gained 590.34 points, or 2.63 per cent, to end at 22,994.23.