Thursday's Health Winners & Losers

GeoPharma(GORX) sank 12.5% to $3.08 following its earnings report Thursday. The company earned $195,000, or 2 cents a share, in the quarter compared with $515,000, or 5 cents a share, a year ago. Excluding stock options expenses, the company earned 6 cents a share. Revenue reached $14.4 million, up 22.3% from a year ago.

Oscient Pharmaceuticals(OSCI) got a boost after the company agreed to allow Abbott(ABT) to market its Factive bronchitis drug in Canada. Specific financial terms were not disclosed. Shares were up 2.2% to $1.20.

Advancis Pharmaceutical(AVNC) rose after the company reported positive trial results on its anti-infective drug amoxicillin Pulsys. The stock was higher by 43.9% to $4.49.

Tenet Healthcare's(THC) shares jumped following its quarterly report after the close of trading Wednesday. While the company reported a wider loss of $398 million, or 85 cents a share, in the second quarter, compared with a loss of $33 million, or 7 cents a share, a year earlier, excluding hefty one-time charges, earnings beat analysts' estimates. Tenet had adjusted earnings of 4 cents a share, compared with 3 cents analysts were expecting. Shares were up 12.5% to $6.56.

Among other health stocks on the move were Dynavax Technologies(DVAX), up 9.1% to $4.33, Xenoport(XNPT), up 8.2% to $18.15, Cytokinetics(CYTK), gaining 7.6% to $5.81, and Medicure(MCU), higher by 6.6% to $1.62.

Celgene(CELG) was down 3.4% to $41.37, EP Medsystems(EPMD) fell 8.7% to $1.37, and Allied Healthcare International(AHCI) lost 13% to $2.

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