MEXICO CITY–(BUSINESS WIRE)–AM Best has upgraded the Financial Strength Rating (FSR) to A (Excellent) from A- (Excellent) and the Long-Term Issuer Credit Rating (Long-Term ICR) to “a” from “a-” of Grupo Nacional Provincial S.A.B. (GNP) (Mexico City, Mexico). The outlook of these Credit Ratings (ratings) has been revised to stable from positive. In addition, AM Best has affirmed the Mexico National Scale Rating of “aaa.MX”. The outlook of this rating remains stable. The ratings reflect GNP’s b
