Edward Jones has upgraded CVS Health (NYSE:CVS) to buy from hold, citing a potential turnaround in its Aetna insurance ...

Cigna primarily provides pharmacy benefit management and health insurance services. Its PBM and specialty pharmacy services, which were greatly expanded by its 2018 merger with Express Scripts, are ...

Pharmacy benefit managers are the middlemen in the prescription drug market. The Federal Trade Commission reports the revenue of four PBMs exceeds $1 trillion and they control 86% of the market.