FuelCell Energy is trading 7.98% up at $19.83 after rebounding from the August 20 close of $18.36, when shares fell 9.56%.
- No new company-specific announcement was found for August 21, 2026; the latest official items remain earlier quarterly results and strategic clean-power agreements.
- Available coverage does not explicitly identify a catalyst, with the rebound appearing tied to volatile positioning and broader risk sentiment.