Pot stocks can sometimes trade like meme stocks, and investors need to be careful, or they may incur significant losses.Cannabis stocks were surging last week on the news that the Drug Enforcement Administration (DEA) is going to reclassify marijuana. It will no longer be a Schedule I drug alongside heroin and LSD. Instead, it will be moved to Schedule III, where ketamine and certain anabolic steroids are grouped.Usually, when there's some positive news around marijuana reform, shares of Tilray Brands (TLRY ...