Plug Power shares are trading lower on Friday, pulling back following a recent partnership announcement with Walmart.

A New Chapter in Partnership You ever notice how agreements from years back can still shake things up in today’s clean-energy ...

Plug Power (PLUG 3.62%) has been a deeply disappointing investment over the decades. Shares of the hydrogen company have cratered a staggering 99% since its initial public offering in 1999. Plug Power ...