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) - Get Report

, up 8% at $28.94.

OSI Pharmaceuticals

( OSIP), up 5.7% at $35.44

Amgen

(AMGN) - Get Report

, up 5.5% at $57.79

Illumina

(ILMN) - Get Report

, up 5% at $25.25

Genzyme

( GENZ) up 5% at $69.05

Biogen Idec

(BIIB) - Get Report

, up 4.1% at $41.88

Rigel Pharmaceuticals

(RIGL) - Get Report

, 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) - Get Report

, down 8% at $19.48

This article was written by a staff member of TheStreet.com.