Plug Power Soars 14% to Hit Intraday High of $4.07

Plug Power, Inc., a small-cap player in the Electronics & Appliances industry, has experienced a significant surge in its stock price, gaining 14.04% on October 13, 2025. The stock reached an intraday high of USD 4.07, marking a notable performance against the backdrop of a declining S&P 500, which fell by 2.71% on the same day.
Over the past month, Plug Power has shown remarkable growth, with a staggering 156.58% increase, significantly outpacing the S&P 500's modest gain of 0.31%. Year-to-date, the stock has risen by 83.1%, while the S&P 500 has increased by 11.41%. However, the stock's performance over the longer term reveals challenges, with a three-year decline of 79.72% and a five-year drop of 77.19%.

Despite the recent gains, Plug Power's financial metrics indicate a complex situation. The company has a debt-equity ratio of 0.11 and a negative return on equity of -58.96%. Additionally, the inventory turnover ratio stands at a low 1.43 times, suggesting potential operational inefficiencies. As the company navigates these dynamics, its recent stock activity highlights the volatility and challenges within its market position.