Bitfarms, Richtech Robotics, and Strata Skin Sciences are the three Penny stocks to watch today, according to MarketBeat’s stock screener tool. Penny stocks are shares of small public companies that trade at low prices, typically below $5 per share, often on over-the-counter (OTC) markets rather than major exchanges. Because these companies tend to have low market capitalizations and limited trading volume, penny stocks can be highly volatile and carry elevated risk. These companies had the highest dollar trading volume of any Penny stocks within the last several days. Richtech Robotics (RR)Richtech Robotics Inc. develops, manufactures, deploys, and sells robotic solutions for automation in the service industry.