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Why Lumentum Stock Is Sinking Today

Lumentum shareholders see cause for concern in a competitor's recent quarterly report.

By Keith Noonan Aug 16, 2023 at 12:59PM EST

Key Points

  • Lumentum stock is falling after fellow laser-tech specialist Coherent issued disappointing guidance.
  • Coherent is seeing macroeconomic headwinds and is targeting significant sales and earnings declines this year.

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