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Why Ciena Stock Is Plummeting Today

By Keith Noonan Jun 5, 2025 at 1:11PM EST

Key Points

  • Ciena beat sales expectations for fiscal Q2, but earnings came in below Wall Street's target.
  • Sales to large cloud customers helped power big sales growth, but margins were softer than anticipated.
  • Ciena's forward sales and margin guidance has also underwhelmed investors.

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