Corning (GLW) Shares Plunge 18% Following Earnings Report, Impacting Optical Component Stocks

07/28/2026, 08:38 AM economy stock_drop ai materials Corning

Corning reported earnings per share of 78 cents, surpassing estimates of 76 cents, and revenue of $4.74 billion, exceeding the expected $4.61 billion. However, the company's forecast for core revenue growth of 16%, translating to $4.9 billion to $5 billion, fell short of Wall Street's consensus of $5 billion.

This disappointing guidance led to a significant drop in Corning's stock, marking its worst day since July 30, 2002. The decline also affected other companies in the optical component space, such as Marvell, Lumentum, AXT, and Coherent, which saw their shares decrease by double digits.

Corning's products, particularly in networking solutions and fiber optic cables, are crucial for AI data center infrastructure, and the company has secured multiple billion-dollar contracts, including a recent deal with Amazon. The market's reaction highlights the sensitivity of investor sentiment to revenue forecasts, especially in a sector driven by rapid growth in AI demand

Stocks in this article

Company Price Change Change % AI
Corning GLW.US 120.69 -22.68 -15.82% Sell

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