Each of these hidden penny stock gems have the potential to provide triple digit growth to investors. Investors are forever on the lookout for Investments that can turn $1 into $2 or more. That is precisely the potential that the stocks below offer to investors.The firms discussed below are also relatively unknown and are generally not household names. They can therefore be characterized as hidden gems given their strong potential upside. As always, invest in penny stocks what you are willing to lose. Whil ...