9 of top 10 valued firms lose Rs 3.12 lakh crore in m-cap; Reliance hardest hit by ET Markets | May 17, 2026 11:05 am | Indian Stocks, Market, News The valuation of Tata Consultancy Services (TCS) tanked Rs 47,415.04 crore to Rs 8,19,062.65 crore and that of Bajaj Finance dived Rs 27,892.28 crore to Rs 5,66,717.74 crore.