Is Now the Right Time to Dump Your Cannabis Stocks?

If you're looking at a wall of red in the investing account where you hold your cannabis stocks and wondering whether you've made a series of terrible mistakes, you aren't alone. As a group, marijuana stocks have eaten dirt this year, with the return of the AdvisorShares Pure US Cannabis ETF (NYSEMKT: MSOS) collapsing by more than 50%. At the moment, there are a couple of problems for cannabis companies that make the prospect of selling especially appealing.