The article lists the cannabis stocks that gained and lost on August 28, 2023. The biggest gainers were EVIO, Global Hemp Group, 4Front Ventures, Body and Mind, CordovaCann, SOL Glb Inv, Trees, Cipher Pharmaceuticals, and CNBX Pharmaceuticals. The biggest losers were Rhinomed, Indiva, Blueberries Medical, Neptune Wellness Solns, MedMen Enterprises, Elixinol Wellness, Target Group, Auxly Cannabis Group, iAnthus Capital Hldgs, Item 9 Labs, Eastside Distilling, Rocky Mountain High, GreenGro Technologies, MJ Holdings, Nextleaf Solutions, 22nd Century Group, CLS Holdings USA, Greenlane Hldgs, Heritage Cannabis Holding, Khiron Life Sciences, Cannabix Technologies, C21 Investments, Urban-gro, EnWave, SNDL, Curaleaf Holdings, and Trulieve Cannabis.