New Delhi: Eight of the 10 most valued domestic companies added Rs 3.28 lakh crore to their market valuation last week, with blue-chips Tata Consultancy Services, Hindustan Unilever and Reliance Industries emerging as the biggest winners.

In an eventful week, the BSE benchmark jumped 2,732.05 points or 3.69 per cent.

The 30-share BSE Sensex surged 1,720.8 points or 2.29 per cent to hit a new record high of 76,795.31 in intra-day trade on Friday. The benchmark closed at a record high of 76,693.36, up 1,618.85 points or 2.16 percent.

Among the top 10 pack, Reliance Industries, Tata Consultancy Services (TCS), HDFC Bank, Bharti Airtel, ICICI Bank, Infosys, Hindustan Unilever (HUL) and ITC were among the gainers.These companies added a total of Rs 3,28,116.58 crore to their market valuation.

State Bank of India and Life Insurance Corporation of India (LIC) lagged behind in the top-10 pack.

TCS' market valuation increased by Rs 80,828.08 crore to Rs 14,08,485.29 crore, emerging as the biggest gainer in the group.

Hindustan Unilever added Rs 58,258.11 crore, taking its market capitalization (mcap) to Rs 6,05,407.43 crore.

The valuation of Reliance Industries increased by Rs 54,024.35 crore to Rs 19,88,741.47 crore and that of Infosys increased by Rs 52,770.59 crore to Rs 6,36,630.87 crore.HDFC Bank's mcap rose by Rs 32,241.67 crore to Rs 11,96,325.52 crore and Bharti Airtel's mcap rose by Rs 32,080.61 crore to Rs 8,10,416.01 crore.

ITC's valuation rose by Rs 16,167.71 crore to Rs 5,48,204.12 crore and ICICI Bank's valuation rose by Rs 1,745.46 crore to Rs 7,88,975.17 crore.

However, the mcap of LIC declined by Rs 12,080.75 crore to Rs 6,28,451.77 crore and that of State Bank of India declined by Rs 178.5 crore to Rs 7,40,653.54 crore.

In the ranking of most valuable companies, Reliance Industries has retained the title of number one company, followed by TCS, HDFC Bank, Bharti Airtel, ICICI Bank, State Bank of India, Infosys, LIC, Hindustan Unilever and ITC.