) are lower on the session by 0.42%, currently trading at $47.44. The stock has been moving largely higher over the past three months and is currently trading above the 50-day moving average. Options traders are focusing on calls today. The strike seeing the heaviest volume is the February 2012 $45.00 call, which has traded 1,285 times on open interest of 1,624 contracts. Calls are outpacing puts today by 14 to 1. AstraZeneca PLC is a global biopharmaceutical company. AstraZeneca discovers, develops and commercializes prescription medicines for six areas of healthcare: Cardiovascular, Gastrointestinal, Infection, Neuroscience, Oncology, and Respiratory and Inflammation.