Baird analyst Eric Coldwell noted Diplomat Pharmacy (DPLO) shares were lower yesterday based on a competitor's research note that suggested Express Scripts (ESRX) was cutting reimbursement in certain commercial plans and is kicking the tires on a DIR rollout in Part D. The analyst believes that would be not only negative for Diplomat but for all in the supply chain. The fact that others were not hit as hard is confusing to Coldwell, but he hopes for clarification from the company's IR day tomorrow. Coldwell maintained his Outperform rating and $20 price target on Diplomat Pharmacy shares.