Issuance trends for non-agency mortgage-backed securities stocked with newly-originated mortgages were mixed in the third quarter, according to a new ranking and analysis by Inside Nonconforming Markets. Issuance of prime non-agency MBS declined significantly on a sequential basis in the third quarter. And for the first time, expanded-credit MBS issuance volume topped prime non-agency MBS activity. Some $3.58 billion of expanded-credit MBS was ... [Includes one data chart]