Plug Power (PLUG 3.08%) stock has been on a roller coaster. In 2020, shares suddenly zoomed, increasing 60 times in value. Over the next several years, however, the stock gave up nearly all of those gains. With a history of huge runs followed by steep losses, it is fair to ask: What will happen to Plug Power stock over the next five-year period? This is what management wants you to think Plug Power bills itself as a bet on clean energy. Globally, more than $1.7 trillion was invested in clean energy projects ...