Shares of Cronos Group (NASDAQ: CRON) closed up almost 12% on Monday after the Canada-based company announced a deal with privately held U.S.-based MedMen Enterprises to launch its MedMen stores in Canada.Cronos and MedMen are setting up a 50-50 joint venture called MedMen Canada. Because financial details of the deal weren't disclosed, it's hard to know exactly how much Cronos will benefit from the deal.Image source: Getty Images.Continue reading