Ziopharm Oncology (ZIOP -5.8%) opens down big after Adam Feurstein reports an oft-correct source...

|By:, SA News Editor

Ziopharm Oncology (ZIOP -5.8%) opens down big after Adam Feurstein reports an oft-correct source has shorted the stock ahead of what he/she thinks will be the failure of next week's results of the palifosfamide sarcoma study.