NEW YORK (AP) — Shares of some top biotechnology companies were mixed at the close of trading:
Amgen Inc. fell $.86 or 1.0 percent, to $87.81.
Biogen Idec fell $.17 or .1 percent, to $143.91.
Celgene Corp. rose $3.14 or 3.4 percent, to $95.48.
Gilead Sciences Inc. rose $.07 or .1 percent, to $77.94.
