Firefly Neuroscience is trading at $1.11, down -13.27%, after a 37.62% rally during the September 17 regular session; no confirmed overnight catalyst has been identified.

  • It closed at $1.28 on September 17, 2026.
  • Firefly announced a strategic collaboration with Radial to pursue integrating its FDA-cleared Evoke platform with RadialOS; available coverage does not directly link the announcement to the decline.
  • Broader markets are higher, making a global risk-off explanation unlikely.