Biotechnology companies shares up at 1 p.m.

Industries Associated Press

Shares of some top biotechnology companies are up at 1 p.m.:

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Amgen Inc. rose $1.51 or 1.3 percent, to $119.88.

Biogen Idec rose $9.47 or 3.0 percent, to $324.78.

Celgene Corp. rose $2.05 or 2.4 percent, to $87.93.

Gilead Sciences Inc. rose $2.37 or 2.9 percent, to $85.28.