Six of the 10 most-valued Indian companies lost over ₹76,622 crore from their market valuation between October 14 to October 18. Infosys emerged as the top loser, whose m-cap fell by ₹23,314 crore. It was followed by Reliance Industries, Hindustan Unilever, TCS, LIC and ITC. Other four of the top 10 most valued firms gained ₹81,151 crore last week.