Issuance of prime non-agency mortgage-backed securities increased by more than 50.0 percent from the second quarter to the third, while activity in the nonprime MBS market slowed, according to a new ranking and analysis by Inside Nonconforming Markets. Some $2.97 billion of prime non-agency MBS was issued in the third quarter, up 58.1 percent from the previous period. The deals were largely backed by jumbo mortgages, along with some loans ... [Includes one data chart]