Ciena Corp is trading at $498.17 (7% down), extending a steep selloff that began following its June 4, 2026, earnings release.

  • The company reported approximately 40% year-over-year revenue growth to $1.57 billion and raised its full-year guidance, citing robust demand for AI cloud infrastructure.
  • Despite the strong financial performance and higher EPS, the stock fell as investors had already priced in aggressive AI expectations and moved to take profits following the print.
  • The decline continues into the next session as the market recalibrates after the initial post-earnings reversal.