Intel Q3 earnings delivered a split-screen verdict on Thursday, October 29, 2026: the chipmaker's data center and artificial intelligence business is booming, yet its shares plunged about 17% in after-hours trading after a weak fourth-quarter outlook overshadowed the strongest server-chip growth in 15 years. Intel reported third-quarter revenue of $16.51 billion, up 21% from a year earlier, and adjusted earnings of 52 cents a share, beating Wall Street's forecast of 41 cents — but investors sold first and asked questions later, sending the stock toward $76.85 after it had closed the regular session down 3.6% at $92.07.
The sell-off matters beyond one company. Intel is the largest American chipmaker and a bellwether for the personal computer market, the data center build-out and the broader artificial intelligence trade that has carried Wall Street for two years. When its forecast disappoints, the damage spreads: Amazon, which also reported after the close on Thursday, fell more than 12% in after-hours trading, and Nasdaq futures dropped about 1.23% in the initial reaction window. For a market already rattled by Alphabet's 10% slide earlier in the week on its own AI spending, Intel's warning landed as a second reminder that even spectacular AI growth has a price.
Intel reported its third-quarter results after the closing bell on Thursday, October 29, 2026, and the market's reaction was swift and severe. The headline numbers looked respectable at first glance: revenue of $16.51 billion, up from $13.65 billion in the same quarter of fiscal 2025, and adjusted earnings of 52 cents a share, up from 23 cents a year earlier and comfortably ahead of the 41 cents analysts expected. GAAP earnings of 60 cents a share, however, fell from 90 cents a year earlier — a comparison clouded by a $5.45 billion gain in last year's quarter from Intel's sale of most of its stake in Altera, plus a sharply higher share count after heavy stock sales including a $23 billion public offering this quarter.
The real damage came from the outlook. For the current fourth quarter, Intel projected adjusted earnings of just 25 cents a share on revenue between $15 billion and $16 billion. Analysts polled by FactSet had been expecting 45 cents a share on $17.29 billion of revenue — meaning Intel's guidance missed on both profit and sales by a wide margin, and even implied a sequential revenue decline from the third quarter. The company also guided GAAP gross margin down to 37.1% from 43% in the third quarter, without fully explaining the drop. Shares fell 17% to $76.85 in after-hours trading, according to Dow Jones, and were down about 16.6% at roughly $76.83 in early after-hours reference trading tracked by InvestingLive.
Chief Executive Lip-Bu Tan pointed to two culprits: a weakening personal computer market and a production disruption following a fatal explosion at one of Intel's facilities in Israel earlier in October, an incident that killed two employees. Chief Financial Officer David Zinsner projected that the PC slowdown will last through at least the first six months of 2027. "Despite near-term headwinds across the PC industry, demand for our CPUs remains robust, reinforcing our confidence in the long-term growth opportunities for our business," Tan said.
Thursday's plunge interrupted one of the stock market's great comeback stories of 2026. Intel shares had more than doubled this year through Thursday's close, and were still up about 150% for the year even after the after-hours slide, according to TalkMarkets. But the stock had already fallen 35% from its record high on June 22 as of Thursday's regular-session close, a sign that doubts about the sustainability of the AI rally were building before the earnings report.
Intel's turnaround story under Tan has rested on two pillars: fixing its manufacturing and riding the data center boom. The third quarter showed the second pillar working spectacularly. Revenue from the data center and AI segment surged 78% to $7.3 billion — its strongest growth in 15 years — and data center operating income roughly tripled to about $3.0 billion, according to the Motley Fool's rapid reaction. Tan said demand for Intel's Xeon server processors is now outrunning what the company can make, and that unlocking additional Xeon supply is the company's "immediate priority."
The first pillar, however, remains a work in progress. The PC business, long Intel's cash cow, shrank 5% to $8.1 billion in the quarter as consumers and businesses held back on new machines. And the Israel facility explosion added an unwelcome production shock at exactly the wrong moment, constraining supply just as server demand surges. Chipmaking carries heavy fixed costs, so extra volume through Intel's factories falls quickly to profit — but the forecast runs that math in reverse, with lower sales spread across the same fixed costs explaining much of the guided margin decline.
Breaking down the quarter, the contrast between Intel's two big businesses could hardly be sharper. The data center and AI group, at $7.3 billion, now accounts for roughly 44% of total revenue and is growing at a pace Intel has not seen in a decade and a half. The client computing and physical AI group, at $8.1 billion, declined 5% as the PC slowdown bit. GAAP gross margin improved to 43% from 38.2% a year earlier, a genuine sign of manufacturing progress — which makes the guided drop to 37.1% in the fourth quarter all the more jarring for investors.
The earnings beat itself deserves a closer look. Adjusted earnings of 52 cents a share beat the FactSet consensus of 41 cents and the Zacks average estimate of 39 cents from 14 analysts, while revenue of $16.51 billion beat Zacks' $16.44 billion forecast but missed FactSet's $16.56 billion. In other words, Intel beat on profit, roughly met on sales depending on which survey you use, and then guided so far below expectations for the fourth quarter that the beat became irrelevant. That pattern — a decent quarter buried by a gloomy forecast — is the classic recipe for an after-hours plunge, and Intel delivered it in full.
Context from the wider earnings season sharpened the reaction. Alphabet had already fallen more than 10% earlier in the week after its own AI spending spooked investors, and Thursday's dual disappointments from Amazon and Intel extended the sell-off in the very names that had powered the market's AI boom. Intel's warning also raised a pointed question for the whole sector: if server demand is "extraordinary," as Tan put it, why is the fourth-quarter outlook so soft? The answer, on Intel's telling, is a mix of PC weakness, the Israel disruption and margin pressure — but investors, burned before by chip-cycle turns, chose to shoot first.
"Our immediate priority is to unlock additional supply to meet extraordinary demand for our Xeon family, while strengthening our product portfolio and roadmap. We are moving with urgency and focus to capitalize on these opportunities to deliver sustainable growth and long-term shareholder value," Tan said in the company's earnings release, framing the data center surge as a supply problem rather than a demand problem.
Tan's separate comment on the PC market struck a more cautious note: "Despite near-term headwinds across the PC industry, demand for our CPUs remains robust, reinforcing our confidence in the long-term growth opportunities for our business." Zinsner, the chief financial officer, was blunter about timing, projecting that the PC slowdown will last through at least the first half of 2027 — a timeline that pushes any PC recovery well beyond the current quarter.
Market reaction told its own story. The Motley Fool's rapid reaction noted that Intel "posted its strongest data center revenue growth in 15 years, then forecast lower revenue, gross margin, and earnings for the fourth quarter," with shares falling about 18% in early after-hours trading. TalkMarkets summed up the paradox in its headline: a 17% plunge "as weak guidance and production disruptions overshadowed a 78% surge in AI revenue." The after-hours drop also dragged on Nasdaq futures, which fell about 1.23% in the initial reaction window alongside Amazon's slide.
Intel's report matters for three reasons that reach far beyond one stock. First, it is a reality check on the AI trade. For two years, investors have treated AI infrastructure spending as a one-way bet; this week, Alphabet, Amazon and now Intel have all shown that the market is starting to ask harder questions about costs, margins and returns. When a company growing its AI business 78% still gets punished, the bar for the entire sector has clearly moved.
Second, it is a warning about the PC cycle. Intel's guidance that the PC slowdown lasts into mid-2027 affects not just chipmakers but PC brands, component suppliers and retailers heading into the holiday season and beyond. A PC downturn that deepens while data center demand booms also complicates Intel's manufacturing balancing act, since the same factories must serve both markets.
Third, it tests Intel's comeback narrative at a delicate moment. The stock's doubling this year reflected genuine optimism about Tan's turnaround, Xeon demand and manufacturing progress. A 17% after-hours fall does not erase that story, but it does force the question of whether Intel's recovery is as far along as the share price assumed. The next two quarters — and whether Xeon supply actually unlocks — will decide that argument.
All eyes now turn to Friday's regular trading session, the first chance for the broader market to vote on Intel's report. If the after-hours losses hold, Intel will open near $77, wiping out months of gains in a single session and dragging chip peers and Nasdaq futures with it. Analysts will also parse the earnings call for detail on the Israel facility's recovery, the path of gross margins and the timing of additional Xeon capacity.
Beyond Friday, the calendar offers several checkpoints: fourth-quarter results early in 2027, any update on PC demand through the holiday season, and progress on the Xeon supply expansion Tan prioritised. Investors will also watch whether Intel's margin guidance proves conservative — chipmakers sometimes guide low and beat — or whether the 37.1% gross margin guide marks a genuine step back. Either way, the burden of proof has shifted: after Thursday, Intel must show that its AI boom can survive a PC winter.
Intel's fourth-quarter guidance badly missed expectations: adjusted earnings of 25 cents a share on $15 billion to $16 billion of revenue, versus forecasts of 45 cents on $17.29 billion. Weak PC demand and a production disruption after a fatal explosion at an Israel facility also weighed on the outlook, overshadowing a strong third quarter.
Yes, on profit: adjusted earnings of 52 cents a share beat the FactSet consensus of 41 cents, and revenue of $16.51 billion was up 21% year over year. GAAP profit, however, fell to $3.32 billion from $4.06 billion a year earlier, partly because last year's quarter included a $5.45 billion Altera gain.
Data center and AI revenue surged 78% to $7.3 billion in the third quarter, Intel's strongest server growth in 15 years, with operating income roughly tripling to about $3.0 billion. CEO Lip-Bu Tan said Xeon server demand now exceeds what Intel can supply.
Chief Financial Officer David Zinsner projected the PC slowdown will last through at least the first six months of 2027. Client computing revenue fell 5% to $8.1 billion in the third quarter.
Friday's regular-session trading, detail on the Israel facility's recovery and Xeon supply expansion, holiday-season PC demand, and whether fourth-quarter gross margin really falls to the guided 37.1% from 43% in the third quarter.
Related coverage on US News Pulse: Amazon's third-quarter results and the Thursday market sell-off put Intel's warning in context, while our earlier coverage of the AI spending boom explains why investors are suddenly asking tougher questions about chip and cloud profits. Readers following the technology sector can also revisit our reporting on Nvidia's AI deals and the Federal Reserve's October rate decision, both of which shaped this week's trading.
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