HONG KONG–(BUSINESS WIRE)–A.M. Best has affirmed the Financial Strength Rating (FSR) of A+ (Superior) and the Long-Term Issuer Credit Rating (Long-Term ICR) of “aa-” of Nippon Life Insurance Company (Nissay) (Japan). The outlook of these Credit Ratings (ratings) is stable. Concurrently, A.M. Best has affirmed the FSR of A- (Excellent) and the Long-Term ICR of “a-” of Nippon Life Insurance Company of America (NLB) (Des Moines, Iowa, USA). The outlook of these ratings is positive. The ratings r