Final Glance: Biotechnology companies By: CNBC.com News September 06, 2013 at 18:04 PM EDT Amgen Inc. fell $1.92 or 1.7 percent, to $111.01. Biogen Idec fell $2.52 or 1.1 percent, to $225.18. Celgene Corp. rose $1.38 or. 9 percent, to $146.97. Read More >> Related Stocks: Biogen Idec