There was little change in the amount of agency MBS held by the Federal Reserve in 2016 compared to the previous year, although the account generated a whopping $46.3 billion in net interest income last year. The 2016 net interest gains from Fannie Mae, Freddie Mac and Ginnie Mae MBS were down slightly from 2015, when the Fed reported $49.0 billion, according to an independent annual audit of the Fed. Conducted by KPMG, the audit estimated...