/ Source: The Associated Press
Shares of some top biotechnology companies are up at noon:
Amgen rose $1.19 or 2.2 percent, to $55.65.
Biogen Idec rose $.79 or 1.6 percent, to $51.18.
Celgene rose $1.18 or 2.1 percent, to $58.67.
Gilead Sciences rose $.07 or .2 percent, to $38.44.
