7 Undervalued Penny Stocks to Buy for Massive Gains Undervalued penny stocks have an allure for investors for the simple reason that a little bit goes a long way. Specifically, a small investment that produces a little gain can be very rewarding for investors. But the potential reward comes with outsized risk. These are companies with small market caps that can be easy for investors to manipulate. But how do you find penny stocks that fit this criteria? With many penny stocks, defining valuation can be tricky. Many of these companies are not yet profitable. And some are generating little revenue. 7 Top-Rated Large-Cap Stocks to Buy and Hold In this article, I’m looking at seven penny stocks that have the potential to pay off for investors down the road. Let me be clear. I’m not suggesting that any of these stocks will deliver quick, short-term profits. However, if you have a long-term outlook and are comfortable with throwing a few of your investing darts at some undervalued penny stocks, these may be intriguing choices. Ticker Company Current Price SENS Senseonics $1.16 CIDM Cindigm 67 cents RMO Romeo Power 72 cents IDEX Ideanomics 74 cents GHSI Guardion Health Sciences 17 cents SHIP Seanergy Maritime Holdings $1.10 MUX McEwen Mining 58 cents Senseonics (SENS) Diabetes remains one of the most prevalent chronic health conditions that individuals need to manage.