Why Shares of Aurora, Cronos Group, and Tilray Jumped...The most likely factor behind the solid gains is increasing confidence in the prospects for the global cannabis industry. The Canadian recreational marijuana market is just getting cranked up. Global medical marijuana markets continue to expand. The U.S. legalization of hemp opens the door for a major new market for the big Canadian producers. And there are encouraging signs about the potential for changes to U.S. federal marijuana laws in the not-too-distant future.
https://www.fool.com/investing/2019/02/04/why-aurora-cannabis-cronos-group-and-tilray-jumped.aspx