Turning profits by investing in distressed mortgages has become increasingly difficult, according to distressed asset investors. Many investors cannot get the internal rate of return necessary to invest in this space, according to Steven Grundleger, executive vice president of capital markets at FNC. Grundleger and other market participants detailed the state of the distressed asset sector at the recent secondary market conference hosted by the Mortgage Bankers Association. Some 47.7 percent of home sales completed in April involved distressed borrowers, according to the Campbell/Inside Mortgage Finance HousingPulse Tracking Survey, a monthly measure of...