Intel shares plunged 28.6% on Friday, October 30, 2026, after the U.S. chipmaker issued fourth-quarter sales guidance below Wall Street expectations, helping trigger a broad semiconductor selloff. The retreat followed Intel’s October 29 earnings report, which showed third-quarter revenue of $16.5 billion, up 21% from a year earlier. Investors were reacting principally to the outlook, not an outright decline in completed-quarter sales.

In its official earnings release, Intel forecast $15 billion to $16 billion of fourth-quarter revenue. Analysts’ average estimate was approximately $17.07 billion, Reuters reported. Management also warned of continued cash consumption as manufacturing expansion and slowing PC demand pressured the business.

Data-center growth contrasts with weaker PCs

The October 30 market losses were not uniform: Intel declined 28.6%, AMD 10.9% and Nvidia 4.2%. The Philadelphia Semiconductor Index fell 7.2%, according to Reuters’ closing-market report. These are comparable one-session stock returns, not changes in physical semiconductor production or dollar-valued market capitalization.

Intel Business — Introducing Intel Xeon 6+ for cloud-native workloads (June 1, 2026). Official product explainer illustrating the data-center business; not a video of the October 30 trading session.

Intel’s divisions told a more complicated story. Data Center and AI revenue jumped 78% to $7.3 billion, while its PC-oriented Client Computing and Physical AI division slipped 5% to $8.1 billion. Segment and foundry figures cannot simply be added together because Intel eliminates transactions between its businesses when calculating consolidated revenue.

Demand for Xeon server processors remained strong, but supply constraints limited shipments. Intel also faces the separately reported Kiryat Gat factory disruption, which Reuters said could cost approximately $600 million in revenue across two quarters. That production event is related to the outlook but is not the same news as Friday’s stock-market reaction.

Manufacturing and cash flow remain the test

Intel continues investing in advanced process technology while attempting to bring factories and customer demand into balance. Its 18A manufacturing work, industrywide lithography demand and the rising cost of high-bandwidth memory illustrate why strong demand can coexist with strained supply chains.

Intel Newsroom — Intel 18A Process Technology Simply Explained (January 2025). Official explanation of process technology and backside power delivery; background only, not evidence of October 2026 manufacturing output.

The next tests are fourth-quarter sales, available server-chip supply and cash flow. Intel’s revenue range is a forecast, not an achieved outcome, and the closing share declines do not establish how future earnings will perform.

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