Coherent drops after hours as fiscal 2026 Q1 revenue guidance disappoints

[Stocks and Financial Data]
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* Coherent (NYSE:COHR [https://seekingalpha.com/symbol/COHR]) shares are down ~18% in after-hours trading Wednesday as weak fiscal 2026 Q1 revenue guidance overshadowed strong [https://seekingalpha.com/news/4484930-coherent-beats-q4-results-but-guides-q1-revenue-slightly-below-estimates] FY25 Q4 financial results.
* The photonics company sees Q1 revenue of $1.46B-$1.60B. The midpoint of $1.53B is below the consensus of $1.55B.
* Q1 non-GAAP EPS is projected at $0.93-$1.13. A midpoint of $1.03 is in-line with consensus.
* FY25 Q4 non-GAAP EPS of $1.00 compared favorably to the $0.51 reported in the year-ago period.
* Though operating expenses increased 46.4% year over year, the impact was mitigated by a 16.4% increase in revenue.
* Coherent ended the quarter (June 30) with ~$909.2M in cash and cash equivalents, compared to $926M on June 30, 2024.

MORE ON COHERENT

* Coherent: AI Tailwinds, Margin Expansion, And Something More Powerful Than Shares [https://seekingalpha.com/article/4801242-coherent-ai-tailwinds-margin-expansion-and-something-more-powerful-than-shares]
* Coherent: Datacom Tailwinds, Optical Breakout [https://seekingalpha.com/article/4799403-coherent-datacom-tailwinds-optical-breakout]
* Coherent Corp: AI Hype Meets Fundamentals [https://seekingalpha.com/article/4799354-coherent-corp-ai-hype-meets-fundamentals]
* Coherent sells Aerospace & Defense unit to Advent for $400M; shares down [https://seekingalpha.com/news/4484916-coherent-sells-aerospace-defense-unit-to-advent-for-400m-shares-down]
* Coherent Non-GAAP EPS of $1.00 beats by $0.08, revenue of $1.53B beats by $20M [https://seekingalpha.com/news/4484901-coherent-non-gaap-eps-of-1_00-beats-by-0_08-revenue-of-1_53b-beats-by-20m]