MarketBeat's stock screener tool has identified Exxon Mobil, Linde, NuScale Power, Air Products and Chemicals, Cummins, Shell, and CF Industries as the top seven hydrogen stocks to watch. These companies are involved in various aspects of the hydrogen industry, from production to utilization. The article highlights that investing in hydrogen stocks provides exposure to the emerging hydrogen economy, which is being driven by decarbonization targets, technological advancements, and favorable government regulations. Exxon Mobil engages in crude oil and natural gas exploration, while Linde focuses on industrial gases. NuScale Power specializes in modular light water reactor nuclear power plants, and Air Products and Chemicals provides atmospheric and specialty gases. Cummins designs and manufactures diesel and natural gas engines. The sentiment of the article is positive, emphasizing the potential for growth in the hydrogen sector. The companies mentioned have experienced a surge in trading volume, indicating increasing investor interest in clean energy. Overall, hydrogen stocks are seen as promising investments with potential for significant returns in the future.