CytoMed Therapeutics is leading three penny stocks in the United States that investors should consider. According to Simply Wall St, CytoMed Therapeutics is showing strong potential in the market. Penny stocks are low-priced stocks that can offer significant returns for investors. It is important to do thorough research before investing in penny stocks, as they can be more volatile than larger, more established stocks. Investors should keep an eye on CytoMed Therapeutics and the other two penny stocks mentioned by Simply Wall St for potential investment opportunities.