Seven of Top-10 Firms Shed Rs 2.16 Lakh Crore in Mcap; RIL, SBI Hit Hard In the ranking of top-10 firms, Reliance Industries remained the most valued company, followed by TCS, HDFC Bank, Infosys, Hindustan Unilever, ICICI Bank, HDFC, State Bank of India, Airtel and ITC.