M-cap of 8 of top 10 firms plunges Rs 1.28 lakh crore; TCS, Infosys biggest laggards

Bharti Airtel's market valuation went lower by Rs 11,821.5 crore to Rs 8,50,389.88 crore and that of ICICI Bank diminished by Rs 7,843.75 crore to Rs 8,42,176.78 crore.