New Delhi, Feb. 15 -- The combined market valuation of six of the top 10 valued firms eroded by more than Rs 3 lakh crore last week. IT majors Tata Consultancy Services (TCS) and Infosys emerged as the biggest laggards amid a bearish trend in equities.

In a week, those facing erosion were TCS, Infosys, HDFC Bank, Reliance Industries, Life Insurance Corporation of India (LIC), and Bharti Airtel while State Bank of India, Bajaj Finance, Larsen & Toubro and ICICI Bank were the gainers.

TCS tumbled Rs 90,198.92 crore to Rs 9,74,043.43 crore, while Infosys' valuation eroded by Rs 70,780.23 crore to Rs 5,55,287.72 crore. The valuation of State Bank of India (SBI) jumped Rs 1,22,213.38 crore to Rs 11,06,566.44 crore while Bajaj Finance climbed R...