Four of the 10 most valued companies together added ₹68,458.72 crore in market valuation last week. The valuation of Hindustan Unilever Limited (HUL) increased by ₹26,832.3 crore to reach over ₹5.82 lakh crore, making it the biggest gainer among the firms. It was followed by Infosys and Tata Consultancy Services, which added ₹24,628.79 crore and ₹9,358.6 crore respectively.