Key Takeaways PLUG stock fell 22.1% YTD, underperforming peers and broader market indexes.Q2 2025 revenues grew 21% with electrolyzer sales tripling year over year.DOE loan guarantee of $1.66B supports six new green hydrogen plants.Plug Power Inc. (PLUG) , a familiar name in the green hydrogen industry, has seen a 22.1% plunge in its stock price in the year-to-date period, underperforming the industry as well as the S&P 500. While the industry grew 10.9% over the same time frame, the S&P 500 advanced 9.5%. ...