Ciena is trading 4.16% up at $334.34, primarily reflecting trading activity and rebound momentum after its sharp September 3–4 selloff.

  • No new company-specific announcement clearly explains the September 8, 2026 gain; the broader market is lower.
  • JPMorgan maintained a Buy rating with a $605 target.
  • Several firms previously reduced targets following the strong third-quarter results.