Overall non-agency MBS issuance dipped slightly in the first quarter of 2015, but the jumbo mortgage sector hit its biggest production volume since the financial crisis in late 2008, according to a new Inside MBS & ABS analysis and ranking. A total of $21.94 billion of non-agency MBS were issued during the first three months of this year, down 0.2 percent from the fourth quarter. The lion’s share of these deals were backed by seasoned loans, either ... [Includes two data charts]