AMSTERDAM–(BUSINESS WIRE)– #insurance–AM Best has assigned a Financial Strength Rating of B++ (Good) and a Long-Term Issuer Credit Rating of “bbb+” (Good) to Nuclear Industry Reinsurance Association (NIRA) (Luxembourg). The outlook assigned to these Credit Ratings (ratings) is stable. The ratings reflect NIRA’s balance sheet strength, which AM Best assesses as strong, as well as its adequate operating performance, limited business profile and appropriate enterprise risk management. NIRA’s balance sheet s