5. Tilray (NASDAQ: TLRY) : It is the only Canadian-based pot stock to go the initial public offering route via a major U.S. exchange. It offered a blistering return pace through mid-September, shooting from its $17 list price in mid-July to $300 on an intraday basis in September before crashing back to earth. Tilray has close to 3 million square feet in growing capacity that it could develop, which makes it a wild card in terms of peak production. The company also snagged a global distribution deal for a noncombustible, nonsmokable medical cannabis product with Sandoz (a subsidiary of Novartis ), and a beverage joint venture with Anheuser-Busch InBev in Canada, within the past two weeks.