TradingKey - Plug Power (NASDAQ: PLUG) is a company that has been extremely popular for many years in the clean energy industry, in particular hydrogen.

July 22 (Reuters) - Enphase Energy ENPH.O forecast third-quarter revenue below Wall Street estimates on Tuesday and said President Donald Trump's import tariffs had impacted its gross margin, sending the solar inverter maker's shares down more than 7% after hours.
