Fannie Mae this week nearly doubled the total output of the non-agency MBS market in 2011 with a new REMIC backed by FHA home-equity conversion mortgages. The government-sponsored enterprise provided a guaranty wrap on Mortgage Equity Conversion Asset Trust 2011-1, a $9.26 billion transaction backed by HECM loans originated and serviced by Bank of America. Through the first four months of the year, total non-agency MBS production came to just $9.98 billion – most of which were re-securitizations. Fannie said it intends to...