3 Reasons Wall Street Remains Worried About Plug Power

Plug Power (PLUG -5.96%) has taken a notable step back from the precipice of financial ruin. Last fall, it issued a dire warning that it could run out of money within a year. That's no longer true after the company made several moves to shore up its liquidity.However, Wall Street analysts still have concerns about Plug Power's future. Here's a look at three reasons they remain worried about the hydrogen stock.It's still burning through cashPlug Power is spending heavily to build its hydrogen ecosystem. As a ...