Lenders looking to boost refinance production as interest rates decline will be limited by the large number of borrowers who have already taken advantage of low rates in recent years, according to industry analysts. Applications for refis increased by 21.0 percent during the week of June 27, according to the Mortgage Bankers Association, as interest rates declined with the United Kingdom’s vote to exit the European Union. The average interest rate on a 30-year, fixed-rate ...