American Homeowner Preservation, a hedge fund that invests in distressed mortgages and helps some borrowers with loan modifications, said it proves distressed mortgage sales can be “preservative and profitable.” Officials at AHP said the fund has now helped more than 500 distressed borrowers avoid foreclosure via loan modifications. Investors in AHP also earn strong returns from the firm’s purchases of distressed mortgages. AHP started as a nonprofit in 2008, buying short sales ...