The combined market valuation of nine of the top-10 most valued firms increased by Rs 2.29 lakh crore last week, driven by a rally in benchmark indices. Life Insurance Corporation of India (LIC) emerged as the biggest gainer, with its valuation rising by Rs 60,656.72 crore to Rs 6,23,202.02 crore. HDFC Bank also saw a significant increase, adding Rs 39,513.97 crore to reach a valuation of Rs 13,73,932.11 crore.