Fannie Mae recently added Nationstar Mortgage, PHH Mortgage, Seterus and Green Tree Servicing to the list of its top performing servicers for the first half of 2012. They join Citigroup, JPMorgan Chase, Wells Fargo, GMAC Mortgage and EverBank in the government-sponsored enterprise’s Peer Group One as the largest firms with the highest scores. “Fannie Mae wants servicers to be responsive to homeowners who are struggling and work with them to prevent as many foreclosures as possible,” said Leslie Peeler, Fannie’s...