The Federal Reserve, as expected, brought to an end its program to support agency mortgage-backed securities, concluding the effort at the end of March with $1.776 trillion in gross agency MBS purchases. Of that, $1.651 trillion was Fannie Mae and Freddie Mac securities – with Fannie snaring the lion’s share of the Fed’s business at $1.140 trillion. Freddie garnered $511.43 billion...