Update: In early January 2014, new laws regarding the legalization of marijuana for medical and recreational purposes went into effect in a number of states. At the same time, media coverage of the issue increased, as did investor interest in shares of marijuana-related companies. In some cases, volumes for the stock of otherwise thinly traded, marijuana-related companies increased dramatically—and prices became quite volatile.

We are reissuing this alert to warn investors not only about the potential for fraud in this arena, but also to reiterate the risks of investing in thinly traded companies about which little is known. Regardless of industry sector, any so-called "hot" stock can burn your portfolio. Rather than getting swept away, take time before you invest to learn more about the company, its products or services and the people running it. And be sure you carefully assess the company’s prospects for success.

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