More issuers are stepping up to the plate by creating securities collateralized by nonperforming residential loans, but so far the action has mostly taken place in the private-placement market. “There have been a bunch of securitizations of NPLs lately,” one trader told Inside MBS & ABS, “but it’s all been Reg. 144 filings,” a reference to the Securities and Exchange Commission rule that allows for the public resale of restricted collateral if a number of conditions are met ...