An affiliate of Lone Star Funds is set to issue the largest nonprime mortgage-backed security backed by post-crisis originations. The deal will be nearly twice the size of the previous record holder, which was also issued by Lone Star. Most of the mortgages in COLT 2017-1 Mortgage Loan Trust were originated by Lone Star’s Caliber Home Loans, along with a 22.0 percent share for loans originated by Sterling Bank and Trust. The deal received preliminary AAA ratings from DBRS, Fitch Ratings ...