Mcap of 3 of top 10 most valued firms jumps by Rs 75,855 cr; SBI, Infosys biggest winners by ET Markets | January 18, 2026 3:04 pm | Indian Stocks, Market, News The combined market valuation of three of the top-10 most valued firms jumped Rs 75,855.43 crore in a holiday-shortened last week, with State Bank of India and Infosys emerging as the biggest gainers, in an otherwise sluggish trend in equities.