Corning tumbles 18% after earnings, leading rout in optical stocks

Marvell, Lumentum, AXT and Coherent were down double digits following the Corning print.

Jul 28, 2026 - 21:00
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Corning tumbles 18% after earnings, leading rout in optical stocks
Marvell, Lumentum, AXT and Coherent were down double digits following the Corning print.

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