New regulations are re-shaping the non-agency MBS market, but economic issues, the ratings process and shifting investor appetite may have more to do with the stalled recovery in the sector, experts said during the American Securitization Forum conference last week in Las Vegas. John Arnholz, a partner at Bingham McCutchen LLP, suggested that the regulators will end up issuing a new proposed rule on risk retention, given the widespread opposition to the original proposal. The proposed premium capture recovery fund idea “came out of nowhere,” he said, adding that there is a good deal of dissent among the six...