OLDWICK, N.J.--(BUSINESS WIRE)-- #insurance--AM Best has affirmed the Financial Strength Rating (FSR) of A+ (Superior) and the Long-Term Issuer Credit Rating (Long-Term ICR) of “aa-” (Superior) of Top Layer Reinsurance Ltd. (Top Layer) (Bermuda). The outlook of these Credit Ratings (ratings) is stable. The ratings reflect Top Layer’s balance sheet strength, which AM Best assesses as strong, as well as its adequate operating performance, neutral business profile and very strong enterprise risk management. Th