I first purchased shares of Plug Power (PLUG +3.77%) nearly four years ago, back in the spring of 2022. Plug Power seemed to have a lot of potential, and the company's $14-per-share price felt quite reasonable for a long-term investor at the time. As of market close on March 9, Plug Power is barely hovering above $2. My position in Plug Power is down an excruciating 76%. Today's Change(3.77%)...