LONDON–(BUSINESS WIRE)–A.M. Best has removed from under review with positive implications and upgraded the Financial Strength Rating to A (Excellent) from A- (Excellent) and the Long-Term Issuer Credit Rating to “a” from “a-” of Compagnie Belge d’Assurances Aviation S.A. (Aviabel) (Belgium). The outlook assigned to these Credit Ratings (ratings) is stable. This rating action follows the completed acquisition of Aviabel by AXIS Capital Holdings Limited (AXIS). It reflects the operational benef