I refuse to believe that any hedge fund worth its salt would get involved in any OTC stocks at all. I know several guys who work at hedgies from wall street all the way down to your small boutique shops. First of all they wouldn't even be able to accumulate a sizeable position to their liking due to the lack of liquidity in OTC land. They also wouldn't be able to unwind their position quickly enough, as it would take several weeks to do so. If you know anything about hedge funds then you know that they need to be able to get in and out of positions at the drop of a hat. Manipulation is a myth as far as I'm concerned and anyone with any knowledge of the markets whatsoever will tell you as much. Markets move up and down based on supply and demand. People who say otherwise just don't know what they're talking about. Sure, there is a psychological aspect of it as well, which is why it takes the right temperament to be able to succeed here.