NEW YORK (AP) — Shares of some top biotechnology companies are mixed at 1 p.m.:
Amgen Inc. rose $.39 or .4 percent, to $88.98.
Biogen Idec fell $1.18 or .8 percent, to $146.68.
Celgene Corp. rose $.71 or .9 percent, to $82.38.
Gilead Sciences Inc. rose $.41 or .6 percent, to $75.36.
