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Corning's third-quarter sales forecast missed expectations despite continued demand for AI data-center infrastructure.

The Dow Jones Industrial Average and S&P 500 were up in late-morning trading Tuesday, while the Nasd

While demand for next-generation data centers remains hot, executives signaled that output is capped by current manufacturing limits as it rushes to build out new capacity.

Corning has been betting that the massive infrastructure demands of AI will drive its next wave of growth, relying on its specialized optical fiber to link hyperscale data centers. That wager has resonated with Wall Street, more than doubling its shares over the past year.

Corning issued lighter-than-expected third-quarter sales guidance, overshadowing a better-than-expected second quarter that was driven by artificial-intelligence demand.

Corning posted core EPS of $0.78 and core sales of $4.74 billion in the second quarter, but its third-quarter outlook fell short of Wall Street expectations

Earnings season kicks into high gear this week.

U.S. stock futures fell as a selloff in companies linked to the artificial-intelligence buildout continued to reverberate across the globe.

Stock Market Today: The Dow Jones index dropped Wednesday after Tuesday's tech sell-off. FedEx dived on earnings.

Ciena stock fell after the optical gear maker's fiscal Q2 earnings and revenue modestly beat consensus estimates amid big share gains in 2026.

The major indexes rose slightly Monday as AI and chips shrugged off higher oil prices as Trump said Iran ceasefire "on life support."

There was a lot that could have made the stock market fall. Investors shrugged off questions about when—or even if—the Federal Reserve would cut interest rates again this year after the central bank held rates steady, and they ignored the fact that Jerome Powell plans to stay on the Fed’s Board of Governors even as Kevin Warsh prepares to become chair. Inflation came in hot as oil prices continued to rise, and earnings from Microsoft and Meta Platforms revealed sizable capital spending increases—and resulted in falling stocks. Eli Lilly earnings offered evidence that weight-loss drugs were only getting bigger; Coca-Cola’s beat showed that not all soft-drink makers are suffering from an Ozempic overhang; Alphabet’s capital spending paid off with big profits; and Caterpillar’s numbers demonstrated that there’s more to its business than mining and machinery.

Corning (GLW) stock pulled back about 1% after earnings, following a massive run in which shares gained roughly 250% over the past year. The reaction looks odd at first glance because Optical demand tied to AI data centers is accelerating, margins are expanding, and Corning just locked in two new ...