The second whole-loan securities risk-transfer transaction from Freddie Mac received a rating from Moody’s Investors Service. The rating service said the $634.64 million deal included a number of improvements compared with non-agency MBS, which have a similar structure. Much like non-agency MBS, the deal was backed by mortgages and included senior and subor-dinate tranches available for purchase by investors. The M1 tranche of FWLS 2015-SC02 ...