Biotech and pharmaceutical stocks were climbing on Monday, slightly outperforming the broader market, with the Nasdaq and Amex biotechnology indices up 1.9% and 1.2%, respectively.

Among individual stocks, notable movers were:

StemCells

(STEM)

, up 43% at $2.06

Advanced Medical Optics

(EYE) - Get Report

, up 22% at $7.51

ZymoGenetics

( ZGEN) up 18.4% at $3.79

Biogen Idec

(BIIB) - Get Report

, up 8.2% at $46.04

Vertex

(VRTX) - Get Report

, up 4.6% at $27.40

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Gilead

(GILD) - Get Report

, up 3.5% at $47.43

Invitrogen

( IVGN), down 3.9% at $27.69

Myriad Genetics

(MYGN) - Get Report

, down 4.4% at $40.12

Obagi Medical

( OMPI), down 4% at $7.98

Merck

(MRK) - Get Report

, down 3.5% at $29.88

Sanofi-Aventis

(SNY) - Get Report

, down 1.8% at $31.06

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