TOPEKA, Kan.--(BUSINESS WIRE)--Security Benefit Life Insurance Company (Security Benefit) today announced that major rating agency Standard & Poor's Global Ratings has affirmed its financial strength rating of "A-" and revised its outlook to "stable." S&P maintained its view of the firm's capital and earnings as "very strong" and again commented favorably on its investment performance while also referencing the management actions executed over the previous two years to further strengthe