The combined market capitalisation (M-cap) of eight of the country's top 10 firms advanced by Rs 35,096.42 crore during the last week.
State-owned ONGC emerged as the best performer among the 10 largest companies in terms of market capitalisation, with its valuation increasing by Rs 15,613.75 crore to Rs 2,60,257.7 crore during the week.
The country's most valued corporate firm Reliance Industries was the second biggest gainer during the week. Its market worth surged by Rs 7,054.39 crore to Rs 3,40,427.63 crore.
State-run Coal India added Rs 3,789.82 crore to its market valuation which stood at Rs 2,28,936.47 crore at close on Thursday last week on the Bombay Stock Exchange.
The country's two major lenders, SBI and ICICI Bank, together added Rs 5,455.23 crore to their valuations. The M-cap of SBI stood at Rs 1,81,629.36 crore, while that of ICICI Bank was at Rs 1,28,369.79 crore.
Country's largest software firm Tata Consultancy Services, which reported its fourth quarter numbers last week, saw a mild addition of Rs 215.29 crore to it market cap which stood at Rs 2,33,229.74 crore.
The company has posted 31.1% growth in net profit at Rs 2,623 crore for the fourth quarter ended March 31, 2011.
State-owned NTPC also saw its valuation swelling by Rs 1,278.05 crore to Rs 1,54,107.65 crore, while telecom player Bharti Airtel's m-cap accelerated by Rs 1,689.89 crore to Rs 1,43,014.6 crore during the week.
In a sharp contrast, IT bellwether Infosys Technologies and FMCG major ITC saw decline in their respective M-caps in the week gone by.
The market cap of Infosys slipped by Rs 4,567.28 crore to Rs 1,67,031.68 crore after the company reported muted quarterly numbers. Infosys has reported 13.62% jump in net profit at Rs 1,818 crore for the fourth quarter ended March 31, 2011.
Diversified business group ITC also lost Rs 1,005.95 crore from its valuation which stood at Rs 1,47,101.28 crore.
The BSE key index Sensex went up by 1.11% to settle at 19,602.23 during the last week.
