Key Points Plug Power held an investor day in Georgia today. The company's new green hydrogen plant just hit a new record for monthly production in August. 10 stocks we like better than Plug Power › Plug Power (NASDAQ: PLUG) stock, maker of everything hydrogen, from fuel cells to the hydrogen gas that fuels them, soared more than 19% in morning trading on the Nasdaq Tuesday -- before giving back almost all its gains by early afternoon. As of 12:30 p.m. ET, Plug stock has gone essentially full circl ...