NEW YORK (AP) — Shares of some top biotechnology companies are down at 10 a.m.:
Amgen fell $.28 or .4 percent, to $65.39.
Biogen Idec fell $.23 or .2 percent, to $114.65.
Celgene fell $.05 or .1 percent, to $70.21.
Gilead Sciences fell $.43 or 1.0 percent, to $43.82.









