OLDWICK, N.J.--(BUSINESS WIRE)--AM Best has affirmed the Financial Strength Rating (FSR) of A+ (Superior) and the Long-Term Issuer Credit Ratings (Long-Term ICR) of “aa-” (Superior) of the members of Metropolitan Life Insurance Group (collectively referred to as MetLife or the group). Concurrently, AM Best has affirmed the Long-Term ICR of “a-” (Excellent) and the Long- and Short-Term Issue Credit Ratings (Long- Term IR; Short-Term IR) of MetLife, Inc. (headquartered in New York, NY) [NYSE: MET]. The outloo ...