Mcap of eight of top-10 most valued firms slump Rs 1.28 lakh cr; TCS, Infosys biggest laggards

New Delhi: Eight of the top-10 most valued firms together lost Rs 1,28,913.5 crore in market valuation last week, with IT majors Tata Consultancy Services (TCS) and Infosys emerging as the biggest laggards, amid weak trend in equities.