Health stocks dipped back down Friday, in line with the broader markets, with the Nasdaq and Amex biotechnology indices losing 2.2% and 3.5%, respectively.

Among individual stocks, notable movers were:

Protherics

(PTIL)

, up 17% at $6.15

Optimer

(OPTR)

, up 13% at $8.25

Alpharma

(ALO) - Get Report

, up 8.8% at $33.18

Alkermes

(ALKS) - Get Report

, up 5.5% at $8.05

MedCath

(MDTH)

, down 46% at $7.90

Synta Pharmaceuticals

(SNTA)

, down 15.5% at $4.80

Senomyx

(SNMX)

, down 13.3% at $3.32

Pharmaxis

(PXSL)

, down 13% at $13.30

Amylin

(AMLN)

, down 8% at $6.68

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