Explained: Why RBL Bank shares tumbled 20% today

It was a bad start to the week for RBL Bank. The shares of the private lender fell sharply to hit a 52-week low after hitting a lower circuit of 20 per cent on the stock exchanges. As of 11 am, RBL Bank shares were trading at Rs 139, down 19.42 per cent, on the Bombay Stock Exchange. On the National Stock Exchange…