Exxon Mobil, Shell, Linde, Cummins, and BP have been identified as the top five hydrogen stocks to watch according to MarketBeat's stock screener tool. These companies are actively involved in the development, production, or utilization of hydrogen as a clean energy source, particularly focusing on technologies like hydrogen fuel cells and electrolyzers. Their trading volumes have been notably high in recent days, indicating a strong market presence within the broader renewable energy and clean technology sectors. Exxon Mobil explores and produces crude oil and natural gas internationally, while Shell operates as an energy and petrochemical company across multiple regions. Linde is an industrial gas company offering a range of gases, including hydrogen, while Cummins designs and manufactures diesel and natural gas engines. BP provides various carbon products and services, including hydrogen production and power operations. MarketBeat's analysis underlines the growing interest in hydrogen stocks among investors, highlighting these companies as potential investment opportunities in the clean energy industry.