After coming across Jason Simpson’s story regarding penny stocks and 3D printing, I have become skeptical of over-the-counter trading. So, I have approached Canada’s Graphene 3D Lab with hesitancy, as they are traded on the OTCQB (as well as the TSX-V). I also understand that, when it comes to foreign companies, it is sometimes necessary to trade on the OTC markets in the US, while they trade on their own domestic exchanges, so Graphene 3D Lab may be an exception to a rule against purchasing penny stocks. …
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