( June 30, 2026, 2:04 PM EDT) -- ST. LOUIS — Affirming dismissal of a putative class unjust enrichment suit concerning allegations that a pharmacy benefit manager (PBM) violated Arkansas law, the Eighth Circuit U.S. Court of Appeals on June 29 ruled in part that the Employee Retirement Income Security Act preempts geographic coverage requirements imposed by regulations implementing the law’s network adequacy provision....