New Delhi - The combined market valuation of top nine Sensex companies surged by Rs 53,751.86 crore last week with TCS and HDFC emerging as the biggest gainers.

Barring RIL, rest of the nine companies, including ONGC, ITC, CIL, SBI and HDFC Bank saw rise in their market capitalisation (m-cap).

TCS' m-cap soared by Rs 12,800.28 crore to Rs 5,03,559.58 crore, the most among the top 10 most valued Indian firms.

HDFC added Rs 9,078.62 crore to Rs 1,84,213.31 crore in its valuation and that of Infosys surged by Rs 7,246.86 crore to Rs 2,31,239.16 crore.

The market valuation of ICICI Bank climbed by Rs 6,673.24 crore to Rs 2,09,940.64 crore, SBI added Rs 5,935.26 crore to Rs 2,35,618.47 crore and HDFC Bank rose by Rs 5,219.3 crore to Rs 2,34,246.80 crore.

ONGC's market cap jumped by Rs 4,448.85 crore to Rs 2,98,800.49 crore, while the valuation of CIL moved up by Rs 1,989.65 crore to Rs 2,40,653.48 crore.

Similarly, the market cap of ITC rose by Rs 359.8 crore to Rs 2,94,351.96 crore.

In contrast, RIL's m-cap fell by Rs 1,407.26 crore to Rs 2,86,190.36 crore.

The list of top-10 firms was topped by TCS, followed by ONGC, ITC, RIL, CIL, SBI, HDFC Bank, Infosys, ICICI Bank and HDFC.

Over the past week, the benchmark BSE Sensex gained 646.12 points to settle at 27,887.90. PTI