10 biggest U.S. gainers for the week.

 10 BIGGEST U.S. GAINERS FOR THE WEEK  (By Percent)  Novavax             45.14 Generex Biotech     34.72 Indevus             21.40 Matritech           20.00 Questcor Pharma     18.75 Seattle Genetics    17.54 CancerVax           17.02 Pharma Prod Devlp   13.78 Cellegy Pharma      13.64 Cel-Sci …