There are some hidden-gem penny stocks for investors to tap into amid the broader indices, such as the S&P 500 and the Nasdaq moving higher. What goes on in the macro environment can sway the companies’ valuations, which could lead to substantial gains for investors. The three hidden-gem penny stocks I’ve outlined in this article are all strong buys, considering their fundamentals and prospects for further capital appreciation for investors. But as always, it’s important to remember that penny stocks are hi ...