Amgen traded at $283.64 this Friday September 5th, increasing $3.54 or 1.26 percent since the previous trading session. Looking back, over the last four weeks, Amgen gained 0.36 percent. Over the last 12 months, its price fell by 11.49 percent. Looking ahead, we forecast Amgen to be priced at 281.29 by the end of this quarter and at 274.34 in one year, according to Trading Economics global macro models projections and analysts expectations.