Volume Spike Investor

ViroPharma (VPHM) has traded over 270,000 shares in the first 25 minutes since the halt was released.  The company has received a Complete Response letter from the FDA related to its supplemental Biologics License Application for Cinryze as a treatment for acute attacks of hereditary angioedema.   Shares are down almost 8% at $6.40 as of [...]

ViroPharma (VPHM) has traded over 250,000 shares in the first 20 minutes since the halt was released.  The company has received a Complete Response letter from the FDA related to its supplemental Biologics License Application for Cinryze as a treatment for acute attacks of hereditary angioedema. The FDA has requested an additional clinical study.  This [...]