10 biggest U.S. gainers & losers for the week.

 10 BIGGEST U.S. GAINERS FOR THE WEEK   (By Percent)  Genset            104.03 Immune Resp        51.43 Siga Technol       24.11 Vion Pharma        23.08 AEterna            20.00 Nexell             16.67 Avanir             15.38 OXiGENE             9.85 Visible Genetics    9.42 Pain Therapeu       6.70  (By Dollars)   Genset              1.55 BioReliance         1.20 AEterna             0.75 Pain Therapeu       0.56 Regeneration        0.34 Siga Technol        0.27 Avanir              0.20 Immune Resp         0.18 Visible Genetics    0.18 Inspire Pharma …