Fuelcell Energy (FCEL) has retraced 78.6% of the gains from its recent high on 10 Feb 2021 of $29.44, tracing from it's all-time-low of $0.13 in June of 2019. This is a significant Fibonacci Retracement level, and should be very strong support. This is a bullish indicator that suggests the bottom may be here for this stock.