Gross new issuance of Fannie Mae, Freddie Mac and Ginnie Mae single-family MBS declined by 6.3 percent from April to May, according to a new Inside MBS & ABS ranking and analysis. The agencies produced $113.46 billion of new single-family MBS last month. Though down from April, it was still significantly higher than at any time in 2014, when production averaged just $77.46 billion per month. The key to the drop-off in May was...[Includes two data tables]