Biotech and pharmaceutical stocks were mixed on Tuesday, with the Nasdaq biotechnology index up 1.2% and the Amex biotechnology index down by 0.3%.

Among individual stocks, notable movers were:

Sanofi-Aventis ( SNY), up 8% at $28.94.

OSI Pharmaceuticals ( OSIP), up 5.7% at $35.44

Amgen ( AMGN), up 5.5% at $57.79

Illumina ( ILMN), up 5% at $25.25

Genzyme ( GENZ) up 5% at $69.05

Biogen Idec ( BIIB), up 4.1% at $41.88

Rigel Pharmaceuticals ( RIGL), down 28.6% at $6.40

Amylin ( AMLN), down 11.6% at $7.35

Human Genome Sciences ( HGSI), down 9.8% at $2.50

Vertex ( VRTX), down 8% at $19.48
This article was written by a staff member of TheStreet.com.

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