OLDWICK, N.J.–(BUSINESS WIRE)–A.M. Best has placed under review with negative implications the Financial Strength Rating (FSR) of A- (Excellent) and Long-Term Issuer Credit Rating (Long-Term ICR) of “a-” of Canopius US Insurance, Inc. (Canopius US) (Wilmington, DE). The rating action follows the announcement on Sept. 1, 2017, by Sompo Canopius AG, an intermediate parent company of Canopius US, that it will be acquired by a private equity consortium led by Centerbridge Partners LP. Historicall