Fuelcell Energy Pf B (FCELB) gains 2.47% Posted on May 17, 2021 By News Team Fuelcell Energy Pf B (OTHER OTC: FCELB) shares gained 2.47% to end trading Tuesday at $580.00 per share – a net change of $14.00. Shares traded between $580.00 and $575.00 throughout the day. 19 shares of Fuelcell Energy Pf B exchanged hands.