CVS stock plunges after Blue Shield of California drops retailer's pharmacy services to save on drug costsBlue Shield's announcement hints at the potential for health insurers to abandon the traditional pharmacy benefit management system.[Collection]

Blue Shield's announcement hints at the potential for health insurers to abandon the traditional pharmacy benefit management system.https://www.cnbc.com/2023/08/17/cvs-stock-blue-shield-of-california-drops-pbm-services.html