Final Glance: Biotechnology companies

NEW YORK (AP) — Shares of some top biotechnology companies were mixed at the close of trading:

Amgen Inc. fell $.33 or .4 percent, to $81.71.

Biogen Idec fell $.76 or .5 percent, to $155.04.

Celgene Corp. rose $.07 or .1 percent, to $76.99.

Gilead Sciences Inc. rose $.44 or .7 percent, to $67.21.