Many independent mortgage companies that are relatively new to the mortgage servicing market are actively managing their portfolios in a constantly shifting environment, according to panelists at the annual convention of the Mortgage Bankers Association. The surprisingly cheap cost of retaining mortgage servicing rights during the 2012 bonanza led a number of nonbank lenders to start amassing MSR portfolios. It has become a valuable tool in managing cash flow and earnings in the volatile mortgage production market of recent years. Guild Mortgage is...