Plug Power's $375M convertible-notes deal sent the stock tumbling and sparked fresh volatility for hydrogen and clean-energy ETFs.
The market value of Plug Power’s stock ended Tuesday at about $2.9 billion, according to FactSet. Shares gained 2.6% in ...
Plug Power (PLUG) -5.1% in Monday's trading despite saying it was selected to supply British developer Carlton Power with 55 ...