NEW YORK–(BUSINESS WIRE)–Kroll Bond Rating Agency (KBRA) assigns preliminary ratings to six classes of certificates issued in the CoreVest American Finance 2018-1 (CAF 2018-1) securitization. This transaction will be the ninth multi-borrower, single-family rental (SFR) securitization issued in the US to date and the sixth issued by CoreVest American Finance (formerly Colony American Finance). CAF 2018-1 is a $236.8 million multi-borrower SFR securitization that will be collateralized by 117 f