Salix Pharmaceuticals (SLXP -7.7%) plunges after the FDA provides relatively lenient clinical...

|About: Salix Pharmaceuticals, Ltd. (SLXP)|By:, SA News Editor

Salix Pharmaceuticals (SLXP -7.7%) plunges after the FDA provides relatively lenient clinical study guidelines (.pdf) for would-be makers of a generic version of Salix's Xifaxan drug. Salix closed yesterday near its 52-week high.