NEW YORK–(BUSINESS WIRE)–Kroll Bond Rating Agency (KBRA) is pleased to announce the assignment of preliminary ratings to 14 classes of the WFCM 2017-C42 transaction (see ratings list below). WFCM 2017-C42 is a $744.8 million CMBS conduit transaction collateralized by 37 commercial mortgage loans secured by 66 properties. The properties in the collateral pool are located in 21 states, with California (19.3%), New York (16.3%), and Michigan (14.0%) each representing more than 10.0% of the pool