MEXICO CITY–(BUSINESS WIRE)–A.M. Best has revised the outlooks to positive from stable and affirmed the Financial Strength Rating of A (Excellent) and the Long-Term Issuer Credit Rating of “a+” of Chubb Seguros Panamá S.A. (Chubb Panamá) (Panamá). The ratings reflect Chubb Panamá’s balance sheet strength, which A.M. Best categorizes as very strong, as well as its adequate operating performance, neutral business profile and appropriate enterprise risk management (ERM). The revised outlooks to