If it’s on the Pink Sheets, it may not have met even those requirements. In addition, stocks for which OTC Markets Group advises investors to exercise additional care and thorough due diligence typically flash a skull-and-crossbones » Caveat Emptor » sign. What I think constitutes a risky penny stock, you might feel is a robust, thriving enterprise. As of this writing, Will Ashworth did not hold a position in any of the aforementioned securities. Learn how to buy stocks.