ZIOPHARM Oncology (ZIOP) Slumps on Negative Tweet

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ZIOPHARM Oncology Inc.
ZIOP
shares fell 13.2% to $4.92, following a concerning Adam Feuerstein tweet on the company offering. Feuerstein reported a brain tumor patient death following ZIOPHARM's gene therapy injection. Share volume totaled 6.1 million, compared to an all-day average of 2.3 million
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