Intel's Data Center and AI Revenue Rises 78% as Shares Plunge 28.58%

Intel's latest earnings illustrate a difficult reality for investors in artificial intelligence infrastructure: explosive growth in a data-center business does not necessarily translate into a stronger outlook for the entire company.

The S&P 500 chipmaker reported on October 29 that its Data Center and AI business segment, which covers more than AI-specific product sales, generated $7.3 billion in third-quarter 2026 revenue, up 78% from a year earlier. Yet Intel shares fell 28.58% to $65.76 during the October 30 U.S. trading session, according to TickerCanvas's cached October 30 closing-price snapshot, which measures the change from the preceding session on an adjusted-close basis. The figure is historical, not a live quote. Reuters reported that disappointment with Intel's outlook, weakening PC demand and supply constraints weighed on sentiment after the announcement.

Strong AI demand did not erase the PC slowdown

Intel's consolidated third-quarter revenue was $16.5 billion, a 21% year-over-year increase. The Data Center and AI segment accounted for $7.3 billion, while the Client Computing and Physical AI Group recorded $8.1 billion, down 5% year over year. Intel Foundry reported $6.7 billion of segment revenue, up 58%; segment figures include transactions between Intel businesses and cannot simply be added together to calculate consolidated sales.

The earnings picture also depends on the accounting basis. Intel reported GAAP diluted earnings per share attributable to Intel of $0.60, compared with $0.90 a year earlier. Its separately calculated non-GAAP diluted EPS was $0.52, versus $0.23 a year ago. Treating those figures as interchangeable would obscure the different year-over-year trends.

The forecast exposed the near-term tension

For the fourth quarter of 2026, Intel projected revenue of $15.0 billion to $16.0 billion, together with GAAP diluted EPS attributable to Intel of approximately $0.10 and non-GAAP diluted EPS of approximately $0.25. It forecast a GAAP gross margin near 37.1%, below the third quarter's reported 43.0%. The fourth-quarter figures are management guidance, not realized results.

Intel's finance chief said the company expected the PC slowdown to continue at least through the first half of 2027. Management also described strong demand for Xeon server processors but acknowledged the need to expand supply. Those statements point to two pressures operating at once: expanding demand for server computing and weaker demand for parts of the consumer-PC market.

Reuters reported on October 30 that the selloff spread across several semiconductor stocks. That market reaction gives the Intel announcement broader relevance, although a single earnings release cannot establish the cause of every movement across the sector.

What matters for the S&P 500

The episode is a concrete test of a broader question facing the index's technology constituents: how quickly can investment, supply capacity and demand be converted into durable profits and cash generation? Intel's strong Data Center and AI revenue growth is an operating result; the weaker near-term companywide forecast is a separate fact. Investors should watch both rather than infer the company's trajectory from either alone.

Future disclosures on PC demand, server supply, foundry economics and cash flow will help determine whether the growth in Intel's AI-related business can offset pressure elsewhere. None of the reported numbers establishes a future stock return or a forecast for the S&P 500.

Reporting periods and sources: Intel's third-quarter 2026 earnings release dated October 29 (quarter ended September 26), and Reuters reporting published and updated October 30. The market-price figure refers only to the October 30 closing session, using the October 30 TickerCanvas cached stock context and corroborated by dated historical market data showing $65.76 against the prior $92.07 close. Intel's S&P 500 membership was verified against the site's constituent universe dated October 30, 2026.

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