(BUSINESS WIRE)--Express Scripts, Inc. (NASDAQ: ESRX), and Pfizer Inc (NYSE: PFE), today announced an agreement providing for Pfizer’s participation in Express Scripts’ rebate program. Due to improved terms under the agreement, Express Scripts has added Lipitor® (atorvastatin calcium), Pfizer’s treatment for high cholesterol and the reduction of heart attack and stroke, to its national preferred
