Here's Why The Marijuana ETF Could Be A Short-Covering Idea By: Benzinga via Benzinga May 23, 2018 at 12:54 PM EDT The ETFMG Alternative Harvest ETF (NYSE: MJ), the only U.S.-listed exchange-traded fund that's a pure play on marijuana-related ... Read More >> Related Stocks: Canopy Growth Corp Cronos Group Inc ETFMG Alternative Harvest ETF Gw Pharma ADR Scotts Miracle-Gro Company