The FTC is going after these PBMs. Is this an opportunity for investors? Big pharmacy benefit managers (PBMs), Uncle Sam wants you. And not in a good way. The Federal Trade Commission (FTC) announced on Sept. 20 that it filed a lawsuit against the three biggest PBMs in the country: CVS Health's (CVS 0.10%) Caremark Rx, Cigna Group's (CI -0.34%) Express Scripts, and UnitedHealth Group's (UNH -0.28%) OptumRx. These three PBMs together account for roughly 80% of the prescriptions administered in the U.S. Unsur ...