Shares of Sarla Performance Fibres may remain in focus, as HDFC Mutual Fund has reduced its stake in Sarla Performance Fibres. Through HDFC Prudence Fund and HDFC Small Cap Fund, the fund house reduced its stake to 6.27 per cent. HDFC Mutual had held 8.38 per cent stake since October 2014. It sold 17.59 lakh shares (or 2.11 per cent stake in the company) on October 24 through open market, Sarla Performance said in a disclosure to the stock exchanges.