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Cannabis short interest higher in July: RPT

Cannabis stocks struggled in the month of July, after a strong start to 2019. Cannabis short interest rose 7% in the month of July, according to S3 Analytics. Partner in the ETF managers Group MJ ETF Jason Wilson and Poseidon Co-Founder Morgan Paxhia joins Yahoo Finance's Zack Guzman and Emily McCormick, along with Kathryn Tuggle, HerMoney Editor-in-Chief, to discuss.