7 of top 10 most-valued firms lose Rs 2 lakh crore in market cap; TCS top laggard by ET Markets | April 26, 2026 2:05 pm | Indian Stocks, Market, News The combined market valuation of seven of the top-10 most-valued firms eroded by Rs 2 lakh crore last week, with Tata Consultancy Services and Reliance Industries emerging as the biggest laggards, in-tandem with a bearish trend in equities.