On a day when it announced a major deal with the AARP, but delivered an uninspiring sales...

|By:, SA News Editor

On a day when it announced a major deal with the AARP, but delivered an uninspiring sales report, Walgreen (WAG -0.4%) is being downgraded to Underperform by BofA. The firm expects the loss of Medco Health's (MHS) pharmacy network 90 days after its acquisition by Express Scripts (ESRX) to lead to additional sales pressure, and thinks declining volumes will have a long-term effect on the pharmacy's ROIC.