OGI - SDRL ROKU among top premarket gainers October, 11 2019 09:17 AM Organigram Holdings Inc. Synthesis Energy Systems (NASDAQ:SES) +88% on acquiring Australian Future Energy in all-stock deal.More news on: Synthesis Energy Systems, Inc., Aclaris Therapeutics, Inc., The Royal Bank of Scotland Group plc, Stocks on the move, Read more ...