Shares of Walgreen (WAG) tack on a 1% gain premarket after reporting November sales increased...

|By:, SA News Editor

Shares of Walgreen (WAG) tack on a 1% gain premarket after reporting November sales increased 4.2% Y/Y to $6.09B . The firm's results were bit by the non-flu bug as a lower incidence of the flu negatively impacted comparable prescriptions filled by almost a full percentage point.