I think some of the risk identifiers have been reported by the press going forward. Caremark, claims that Walgreens has used it's Dominate position in Retail Rx with themselves and other State contracts, for better pricing. Walgreens claims that steering of Rx's hurts the insured from free choice.
Reputational Damage and Impacting of Brand image needs to be monitored and controlled, this surely is a impediment to conduct business for growth in this sector.
The PBM's with Risk management is the focal issue in this dispute, and the systems of risk management by PBM's has shown a decline in the rising cost of prescription medication. Poor judgment from each companies management, addressing these issues has not shown the best of organizational structure.
Long or Short money is to be made until these issues are put behind us.