OLDWICK, N.J.--(BUSINESS WIRE)--A.M. Best has affirmed the financial strength rating of A- (Excellent) and the issuer credit rating of “a-” of The Stuart Insurance Group, Ltd. (Stuart) (Bermuda). The outlook for both ratings is stable. Concurrently, A.M. Best has withdrawn the ratings in response to Stuart’s request to no longer participate in A.M. Best’s interactive rating process. The ratings reflect Stuart’s excellent risk-adjusted capitalization, strong operating performance, solid strategi