Single-family MBS issuance in the agency market dropped 4.8 percent from June to July, according to a new Inside MBS & ABS market analysis and ranking. A total of $133.23 billion of agency single-family MBS were issued last month, a huge 82.9 percent increase of the amount produced in July of last year. That brought year-to-date issuance in 2012 to $893.92 billion, an increase of 40.5 percent from the same period last year. Fannie Mae was the only agency to see...[Includes one data chart]