Biotechnology companies shares mixed at 10 a.m.

Industries Associated Press

Shares of some top biotechnology companies are mixed at 10 a.m.:

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Amgen Inc. fell $.09 or .1 percent, to $120.22.

Biogen Idec rose $2.89 or .9 percent, to $327.63.

Celgene Corp. rose $.70 or .8 percent, to $89.20.

Gilead Sciences Inc. rose $1.32 or 1.5 percent, to $86.61.