Pfizer traded at $28.60 this Friday May 17th, decreasing $0.42 or 1.45 percent since the previous trading session. Looking back, over the last four weeks, Pfizer lost 12.64 percent. Over the last 12 months, its price fell by 21.60 percent. Looking ahead, we forecast Pfizer to be priced at 28.56 by the end of this quarter and at 27.74 in one year, according to Trading Economics global macro models projections and analysts expectations.