The Indian benchmark indices are trading sideways with extreme volatility. On April 18, foreign portfolio investors (FPIs) sold shares worth Rs 6,387.45 crore while domestic institutional investors (DIIs) were net purchasers worth Rs 3,341.96 crore. The stock in focus today is AU Small Finance Bank, which jumped 4 per cent, as lender's board will consider a bonus share issue on April 26, 2022. Also, Apollo Hospitals gained 5.63 per cent in the first half of the session as a huge turnover on BSE was seen as the stock trades at a high P/E of 59.58 points.