New issuance of agency MBS declined sharply in April as refinance activity in the primary market began to slow down despite concerted efforts by many lenders to ramp up Home Affordable Refinance Program business. A new Inside MBS & ABS analysis and ranking reveals that a total of $109.2 billion of single-family agency MBS was issued last month, down 29.2 percent from March. It was the lowest monthly output since October of last year, when the refi market started to gather momentum. The decline was all attributable to Fannie Mae and Freddie Mac, which pick up more refinance...(Includes one data chart)