Corning (GLW) Crashed 20% Despite 32% Optical Growth. Should Coherent (COHR) Investors Worry?
Corning Incorporated (NYSE: GLW ) delivered rapid optical growth on July 28, then suffered a share-price decline of more than 20% after its guidance fell short of elevated expectations. Coherent Corp.
Yahoo Finance — 29 July 2026
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Corning Incorporated (NYSE: GLW ) delivered rapid optical growth on July 28, then suffered a share-price decline of more than 20% after its guidance f
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