The combined market valuation of four of the top-10 most valued firms jumped ₹1.43 lakh crore last week. State Bank of India emerged as the biggest gainer, adding ₹63,922.03 crore to its market capitalisation, followed by Reliance Industries, Tata Consultancy Services (TCS) and Larsen & Toubro. Whereas the valuation of LIC, Bajaj Finance, HDFC Bank and ICICI Bank declined.