NVIDIA draws antitrust, supply scrutiny

Nvidia’s rally this week has collided with a second storyline: scrutiny. Reports that SpaceX plans to use Nvidia hardware in future AI infrastructure helped push the stock higher on August 5, while separate reports said the U.S. Department of Justice has opened an antitrust probe and that manufacturing issues could slow parts of Nvidia’s product roadmap. CNBC reported on July 21 that Nvidia representatives said Vera data-center CPUs were delivered in June to clients including OpenAI, Anthropic and SpaceX. On August 5, CNBC separately reported that AMD CEO Lisa Su responded after Elon Musk said Nvidia had “the best architecture” and described a close partnership with the company. The result is a familiar split in the Nvidia story: demand remains strong, but regulators, rivals and customers are paying closer attention to how much of the AI stack one company controls. (cnbc.com) That framing is supported by Nvidia’s expansion from GPUs into full systems and CPUs, and by AMD’s argument that a more open software approach is a competitive selling point. ### Why did SpaceX matter to this week’s move? (cnbc.com) SpaceX entered the story because Musk’s comments added another high-profile customer signal for Nvidia’s latest AI hardware. CNBC said Su was reacting to Musk’s statement that Nvidia would be the exclusive supplier for a SpaceX AI-chip buildout, and the network reported Nvidia shares closed 3.4% higher on Wednesday, August 5. June also matters here. Nvidia told CNBC that Vera CPUs had already been delivered to SpaceX and other major AI customers, showing that the relationship was not just a future roadmap item but part of current customer sampling. (cnbc.com) ### What exactly is the antitrust issue? The Justice Department has not posted a public Nvidia antitrust announcement on its Antitrust Division press pages as of August 6. The claim of a DOJ probe comes from market reports, not from a published DOJ enforcement action or statement that was visible on the department’s site. (cnbc.com) Even without a public filing, the theory behind such scrutiny is not hard to see. Nvidia is no longer only the dominant seller of AI GPUs; CNBC reported it is also pushing deeper into CPUs and rack-scale systems so customers can buy more of the full server architecture from one vendor. (cnbc.com) ### Where are the supply concerns coming from? Manufacturing questions have centered on Nvidia’s next-generation systems. CNBC reported on July 6 that research firm SemiAnalysis said Nvidia’s Kyber NVL144 rack architecture had been delayed to 2028 because of difficulties manufacturing a key circuit board, while Nvidia said, “Our roadmap is intact.” (justice.gov) That report did not specifically address Blackwell B200 shipments, but it added to broader concerns about whether Nvidia can keep its annual release cadence on schedule as system complexity rises. (cnbc.com) CNBC said SemiAnalysis also expected NVL576, a larger linked-rack design, to be delayed or limited to small volumes. ### How are rivals trying to use this moment? AMD is leaning on supply planning and openness. (cnbc.com) On August 5, Su told CNBC that customers are giving AMD “much more opportunity to plan” and that they “want a lot more compute,” while the company said it was investing across the supply chain. AMD’s investor relations site shows the company has posted materials for its second-quarter 2026 results, which covered the quarter ended June 27. (cnbc.com) That timing matters because AMD is trying to convert current demand into longer-term server share gains while Nvidia works through product transitions. ### What should investors watch next? August 26 is the next fixed date. Nvidia said on July 29 that it will host its conference call that day to discuss fiscal second-quarter results for the quarter ended July 26, 2026. (cnbc.com) That call is where Nvidia can address the questions now surrounding the stock: whether large customers such as SpaceX are expanding deployments, whether any Blackwell or rack-scale manufacturing issues are affecting shipment timing, and whether the company has any comment on reported U.S. antitrust scrutiny. (ir.amd.com) (nvidianews.nvidia.com)