Benzinga's Top #PreMarket Gainers By: Benzinga via Benzinga January 14, 2015 at 08:06 AM EST ZIOPHARM Oncology, Inc. (NASDAQ: ZIOP) shares gained 50.70% to $8.65 in the pre-market trading session following announcement of ... Read More >> Related Stocks: Biocryst Pharma Inc GameStop Corp Ocwen Financial Corp Ziopharm Oncology IN