Nvidia and Broadcom each fell about 1% in premarket trading on October 13, 2026, extending the semiconductor sector’s losses from the previous session. The move was reported by the Associated Press, which pointed to investor concern that China’s ChangXin Memory Technologies (CXMT) could challenge established memory-chip suppliers Samsung, SK Hynix and Micron. That is market context—not proof that Broadcom or Microsoft caused Nvidia’s decline.
The broader story is a changing AI-computing supply chain. NVIDIA continues to report extraordinary accelerator demand, Broadcom is expanding custom AI chips and networking, and Microsoft is investing heavily in the cloud infrastructure that buys and deploys those technologies. Their results help explain the competitive pressure around chip stocks, while the reason for a specific day’s trading remains uncertain.
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What happened to Nvidia stock on October 13?
AP’s snapshot showed Nvidia and Broadcom down roughly 1% before the regular market opened on Tuesday, October 13, 2026. The figure is a premarket indication, not the final closing price. Premarket prices can change materially once full trading begins, so an updated article would need to distinguish this report from the regular-session close.
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Why the title links Nvidia, Broadcom and Microsoft
These companies occupy different positions in the AI infrastructure chain. NVIDIA sells accelerator platforms and related systems; Broadcom supplies custom AI semiconductors and networking; Microsoft operates a major cloud platform and finances the data-center capacity needed to run AI services. Their disclosures show where growth and competitive risk are developing, but they are not interchangeable businesses and their reported periods are different.
| Company role | Latest disclosed figures | What the figures indicate |
|---|---|---|
| NVIDIA: AI accelerators and computing platform | Fiscal Q2 2027 revenue of $96.2 billion, up 106% year over year; Data Center revenue of $89.0 billion, up 117% | Exceptional current demand for data-center computing. NVIDIA’s fiscal Q3 outlook was $108.0 billion, plus or minus 2%, assuming no Data Center compute revenue from China. |
| Broadcom: custom AI semiconductors and networking | Fiscal Q3 2026 revenue of $29.6 billion; AI semiconductor revenue of $16.7 billion, up 221% year over year | Rapid growth in custom accelerators and networking. Broadcom forecast fiscal Q4 AI semiconductor revenue of $21.7 billion and total revenue of approximately $34.8 billion. |
| Microsoft: cloud operator and infrastructure investor | Fiscal Q4 2026 revenue of $90.0 billion; Microsoft Cloud revenue of $59.3 billion; Azure and other cloud services revenue up 43% year over year | Strong customer demand for cloud and AI services, alongside substantial infrastructure spending. The figures do not identify a specific chip purchase. |
How Broadcom is competing in AI chips
Broadcom’s opportunity is not simply to sell a substitute for every NVIDIA product. Its AI semiconductor business includes custom accelerators designed for large customers and networking components that connect data-center systems. Chief executive Hock Tan said in the September 2, 2026 fiscal Q3 release that “Demand for our custom AI accelerators and networking continues to be very strong.” That is management’s characterization, not independent confirmation of future sales.
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The reported numbers nevertheless show why investors treat Broadcom as an important AI-chip competitor. AI semiconductor revenue rose 221% year over year to $16.7 billion in the quarter ended August 2, and the company’s $21.7 billion fourth-quarter AI-semiconductor forecast points to continued expected growth. Because the forecast is for a later fiscal period than NVIDIA’s reported quarter, it should not be read as a like-for-like comparison of realized sales.
Why Microsoft matters to semiconductor investors
Microsoft is relevant because Azure is a large buyer and operator of computing infrastructure, not because the cited results prove a particular Nvidia or Broadcom order. Azure and other cloud services grew 43% year over year in Microsoft’s fiscal fourth quarter ended June 30, 2026, while Microsoft Cloud revenue reached $59.3 billion.
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Microsoft said it continues to invest in cloud and AI infrastructure and identified customer demand, technology changes and competition as dependencies and risks. Chairman and CEO Satya Nadella said the company was “advancing the frontier on the cost-to-outcome curve, ensuring every customer can turn tokens into business results.” The statement describes Microsoft’s strategy; it does not establish the return on any specific semiconductor investment or explain the October 13 stock move.
NVIDIA’s results set a high bar
NVIDIA’s fiscal Q2 2027 results, released August 26, covered the quarter ended July 26. Revenue reached $96.2 billion, with $89.0 billion from Data Center. Management guided to $108.0 billion in fiscal Q3 revenue, plus or minus 2%, and explicitly assumed no Data Center compute revenue from China in that outlook.
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Founder and CEO Jensen Huang said, “AI has reached its inflection point. It’s doing useful work. Its tokens are productive and profitable. Now, compute is revenue.” The results support strong demand at the time of reporting, while the China assumption highlights a geographic constraint investors must monitor.
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What could move chip stocks next?
- Actual earnings versus guidance: NVIDIA’s $108.0 billion outlook and Broadcom’s approximately $34.8 billion total-revenue forecast are expectations, not results.
- China exposure: NVIDIA’s outlook assumes no China Data Center compute revenue, and any change in export access or local competition could alter expectations.
- Custom silicon adoption: Broadcom’s growth indicates that large cloud customers may pursue purpose-built accelerators alongside merchant GPU platforms.
- Cloud spending returns: Microsoft’s infrastructure investment depends on customer demand, technology execution and competition, all of which it identifies as risks.
- Memory-sector competition: AP’s CXMT context shows how developments outside AI accelerators can still affect sentiment across the semiconductor group.
What investors should not conclude from the October 13 move
A roughly 1% premarket decline is too limited and too early to demonstrate that Broadcom displaced NVIDIA, that Microsoft redirected a specific order, or that CXMT caused Nvidia’s loss. The available reporting supports a competitive-sector interpretation, not a settled causal chain. Readers should separate the volatile trading snapshot from company results released weeks or months earlier.
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- 3.125-slot design with massive fin array optimized for airflow from three Axial-tech fans
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Microsoft Investor Relations listed October 28, 2026 for the next fiscal 2027 first-quarter earnings release when accessed on October 13; that calendar date should be rechecked before relying on it because schedules can change.
The Bottom Line
Nvidia’s October 13 premarket slip reflects broad semiconductor uncertainty, including concern about Chinese memory competition, while Broadcom’s custom-chip growth and Microsoft’s cloud investment are reshaping the AI supply chain. The evidence does not show that either company directly caused Nvidia’s one-day decline.
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