In this article, we will look at the 11 Best Penny Stocks with the Highest Upside Potential.On September 19, Morningstar released its research report on small-cap stocks as the sector started to rally. The small-cap stocks had largely underperformed the market for over a decade. However, the sector finally started to outperform the broader market in August, driven by technology and growth companies, particularly in the semiconductor industry.The report highlighted that the small-cap rally differs from the o ...