The combined market capitalisation of nine of India's 10 most valuable companies fell by ₹2.18 lakh crore in the week ended February 27. Bharti Airtel emerged as the biggest loser, with its m-cap dipping by ₹55,852.12 crore. Meanwhile, Hindustan Unilever was the only one to post a gain, adding ₹5,462.81 crore to its m-cap.