Nvidia's Crown Slips as Apple Retakes Top Spot and OpenAI Financing Talks Rattle Investors
Published on 07/28/2026 at 09:02 | Redaktion boerse-global.de
The chipmaker that defined the AI boom for two years suddenly finds itself in an unfamiliar position: looking up at a rival. Nvidia shares tumbled 5.02 percent on Monday to close at €172.88, wiping enough value off the company to hand the title of the world's most valuable corporation back to Apple. The iPhone maker's market capitalization swelled to approximately $4.94 trillion, edging past Nvidia's $4.83 trillion.
The divergence in their 2026 trajectories could hardly be starker. Apple has surged 24 percent this year, while Nvidia has managed just 4 percent. Market strategists point to a surprising explanation: investors are rewarding Apple for its restraint. The Cupertino giant has deliberately kept its own AI infrastructure spending in check, opting instead to rent computing capacity externally. As Jay Woods, chief strategist at Freedom Capital Markets, noted, Apple was once criticized for underinvesting in artificial intelligence — now that caution is paying off handsomely.
A Tale of Two Headlines
Monday's sell-off in Nvidia shares was driven by two distinct but related narratives, neither of which had anything to do with the company's underlying earnings power. The first was a report that Nvidia is in early-stage negotiations to provide a guarantee of up to $250 billion for OpenAI, alongside co-financing purchases worth an additional $350 billion. The structure would help OpenAI lease vast computing capacity from a SoftBank subsidiary building a massive data center hub in Ohio, with a planned $500 billion investment and 10 gigawatts of power capacity.
Crucially, nothing is finalized. The talks remain at an early stage, according to insiders cited in the reports, and could collapse or change materially. Neither Nvidia nor OpenAI has confirmed the arrangement. But the sheer scale of the potential liability has rattled investors. Nvidia's most recent quarterly report caps its total guarantee volume for lease agreements at $3.5 billion — meaning a $250 billion commitment would be roughly 71 times larger than anything the company has previously disclosed on its books.
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The second headline, announced simultaneously, was more straightforwardly positive: Nvidia is investing $5 billion in Safe Superintelligence, the AI startup founded by Ilya Sutskever. The deal ranks among the largest funding rounds of the entire AI boom, even though SSI has yet to release a product or publish any research on its technology. Nvidia framed the investment as "substantial" and part of a long-term strategic partnership, with SSI gaining access to the chipmaker's new Vera Rubin platform as it aims to decuple its computing capacity within twelve months. The startup had previously raised roughly $7 billion at an estimated valuation of $32 billion.
Bulls vs. Bears: Interpreting the OpenAI Gambit
The market is now wrestling with a fundamental question about Nvidia's evolving role in the AI ecosystem. Does guaranteeing the debts of its largest customer demonstrate strategic strength, or does it signal that the AI economy cannot stand on its own without artificial support?
The bull case is straightforward. Nvidia is leveraging its superior balance sheet in a market where chips remain scarce and anyone building AI infrastructure is burning cash. In this environment, a simple purchase order no longer suffices — companies secure supply by tying purchase commitments to financing. CEO Jensen Huang has repeatedly dismissed accusations of circular financing, pointing to an earlier investment in CoreWeave as evidence that such arrangements represent a small fraction of what customers would need to raise on capital markets anyway. Morningstar analysts see the guarantee structures primarily as a growth lever that helps Nvidia sell more hardware and accelerate AI adoption. A separate deal with South Korea's SK Group, targeting more than $500 billion in combined business volume, reinforces the bullish view that Monday's pullback is a buying opportunity, not a trend reversal.
The bear case is more unsettling. Investor Michael Burry described the arrangement as further evidence of a self-reinforcing loop, commenting simply: "Round and round it goes." A Bloomberg-quoted strategist put it more bluntly: guaranteeing even more of OpenAI's data center debt deepens a vendor financing structure already under scrutiny, and it signals financing stress in the AI buildout as much as it signals demand. The fact that OpenAI itself lacks an investment-grade rating — the structure reportedly allows SoftBank's SB Energy to borrow against Nvidia's balance sheet rather than its own — adds another layer of risk.
Broader Rotation Hits Chip Stocks
The OpenAI financing uncertainty compounded a broader rotation already underway in the semiconductor space. After three consecutive years of explosive revenue growth driven by the AI boom, investors are shifting focus away from pure graphics chips toward memory chips and other data center hardware. The beneficiaries of this rotation include Micron Technology, SK Hynix, and Sandisk — though even they weren't immune to Monday's sell-off. SK Hynix dropped 7.47 percent, Micron fell 2.25 percent, and SanDisk tumbled 11.02 percent. The Philadelphia Semiconductor Index slid 2.23 percent.
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Nvidia's stock now sits 14.63 percent below its May record high of €202.50, and has broken decisively below its 50-day moving average of €180.46. The 200-day moving average at €166.18 represents the next critical support level. A hold above that mark would keep the current pullback in perspective; a slide toward the 52-week low of €139.78 would transform the correction into a genuine challenge to the entire AI rally narrative.
What Comes Next
This week will serve as a major test for the AI thesis. Apple reports quarterly earnings on Thursday, alongside Microsoft, Amazon, and Meta. Analysts expect all three hyperscalers to announce further AI investment commitments, and the scale of those spending plans will likely determine whether Nvidia's chip demand moves back into focus — or whether the rotation toward memory chips and capital-disciplined companies like Apple continues to pressure the stock.
For Nvidia specifically, the near-term catalysts are binary. A confirmed OpenAI deal with clearly capped guarantee amounts could allow the market to reinterpret the arrangement as a demand-securing mechanism, potentially supporting a recovery toward the 50-day moving average. A collapse of the talks, an expansion of the guarantee structure, or a formal review of Nvidia's debt concentration could send shares sliding toward the 200-day moving average or worse. Either way, the next few weeks will determine whether Nvidia's role as the AI boom's primary beneficiary is secure — or whether it has begun a transition into something far more complicated.
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