Falling mortgage rates helped spur a modest increase in refinance activity during the first quarter of 2016, but not enough to offset a slowdown in other parts of the securitization market, according to a new Inside MBS & ABS analysis and ranking. A total of $318.34 billion of residential MBS and non-mortgage ABS were issued during the first three months of the year, a 3.6 percent decline from the fourth quarter of 2015. It was the lowest amount of new issuance since the second quarter of 2014 and put the market 8.1 percent behind the level reached in the first quarter of last year. Non-mortgage ABS issuance was...[Includes three data tables]