6 of top-10 companies lose Rs 1.68 lakh cr in market-cap; TCS biggest laggard HDFC Bank's market valuation fell by Rs 18,172.43 crore to Rs 7,57,659.72 crore and that of State Bank of India (SBI) declined by Rs 8,433.76 crore to Rs 4,27,488.90 crore.
