HDFC Bank shares sink over 5%

New Delhi: Shares of HDFC Bank dived over 5 per cent on Thursday after Atanu Chakraborty resigned as chairman of the country’s second biggest lender, citing ethical concerns. The blue-chip stock tumbled 5.13 per cent to settle at Rs 799.70 on the BSE, trimming some of its sharp early losses. During the day, it tanked 8.41 per cent to Rs 772 -- its 52-week low. At the NSE, the stock dropped 5.31 per cent to close at Rs 798.20. Intra-day, it dived 8.66 per cent to hit the 52-week low of Rs 770. The company’s market valuation eroded by Rs 65,946.08 crore to Rs 12,30,896.85 crore following the sharp decline in the stock.