The non-agency jumbo MBS market in 2012 posted its best year since the cratering of the U.S. housing market and financial market collapse back in 2008, and increased regulatory clarity may spur the recovery further in 2013. A total of $3.46 billion of non-agency jumbo MBS were issued last year, according to a new ranking and analysis by Inside MBS & ABS. In the pre-crash years, that level of issuance didn’t add up to a decent week in productivity. But last year’s prime non-agency MBS issuance was...[Includes three data charts]