Nearly a year after an affiliate of Galton Funding issued its first expanded-prime mortgage-backed security, the firm is bringing a follow-up. The planned $316.9 million issuance is larger than the first deal from the firm and the MBS differ in some ways. Fitch Ratings and Kroll Bond Rating Agency placed preliminary AAA ratings on Galton Funding Mortgage Trust 2018-1. The deal will include credit enhancement of 10.75 percent on the senior tranche. The loans have a weighted-average credit score of ...