Shares of CVS Caremark (CVS) fall off 7.9% premarket after Walgreen and Express Scripts hash out...

|About: CVS Health Corporation (CVS)|By:, SA News Editor

Shares of CVS Caremark (CVS) fall off 7.9% premarket after Walgreen and Express Scripts hash out a new pharmacy network agreement. The company had been one of the biggest beneficiaries of the WAG-ESRX dispute.