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Lumentum shares jump 15% on strong Q4 earnings and upbeat Q1 guidance, sparking gains in AI optics stocks.

Company Fundamentals
12 Aug 2026
24/7 Wall Street
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Bullish
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Lumentum's stock surged 15% after reporting fiscal Q4 2026 revenue of $1.01 billion, more than doubling year-over-year and beating expectations. The company also raised its fiscal Q1 2027 revenue guidance to $1.225-$1.275 billion with EPS of $4.05-$4.35, driven by strong demand for pump-lasers and accelerating 1.6T transceiver sales. This strong performance boosted related AI optics stocks like Coherent, Corning, and Applied Optoelectronics. Analysts are mixed on valuation but mostly positive on growth prospects. Investors should watch if gains hold and monitor upcoming earnings and AI infrastructure spending for further confirmation of the cycle's strength.

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