Micro-cap stocks often get a bad rap, and for good reason. Many of these penny stocks are highly speculative and risky bets that can quickly go south. However, amid the sea of questionable micro-cap stocks, there are a few hidden gems with serious long-term potential. I believe the three stocks I’ll discuss today have the potential to possibly reach blue-chip status.I think it’s worth allocating a small portion of your portfolio to these stocks. While there are no guarantees in the stock market, these compa ...