OLDWICK, N.J.–(BUSINESS WIRE)–A.M. Best has upgraded the Financial Strength Rating to A-(Excellent) from B++ (Good) and the Long-Term Issuer Credit Rating to “a-” from “bbb+” for GBU Financial Life (GBU or the Society) (Pittsburgh, PA). The outlooks of these Credit Ratings (ratings) have been revised to stable from positive. The rating actions reflect GBU’s increasing membership base and favorable operating performance, as the Society continues to manage interest rate spreads in the face of d