FuelCell Energy (FCEL) , a company that provides design, manufacturing, installation, operation, and servicing of stationary fuel cell power plants saw its stock hit day 6 of a continuous streak of days with gains, with cumulative gains over this period amounting to a 75% return.BERLIN, GERMANY - JUNE 10: A hydrogen pumping station for hydrogen-powered cars stands on June 10, 2020 in Berlin, Germany. The German government is to announce a new national hydrogen strategy later today that includes the developm ...