Apple Overtakes NVIDIA to Reclaim Top Market Cap as Chip Stocks Slide

Tide Research — A steep drop in crude should have been a clear positive for U.S. equities on Monday, with WTI down 7.5% on the day. Instead, the market's focus shifted decisively to a selloff in semiconductors. The Philadelphia Semiconductor Index fell as much as 5% intraday, NVIDIA slid nearly 5%, and Apple moved back into the No. 1 spot by market value. The major indices finished mixed and the oil plunge failed to lift the broader tape. The S&P 500 edged up 0.02% to 7,413.18. The Dow gained 0.51% to 52,210.08. The Nasdaq Composite slipped 0.18% to 24,932.081, and the Nasdaq 100 fell 0.32% to 28,039.211. The Russell 2000 added 0.62% to 2,948.035. The VIX rose 0.48% to 18.67. Apple retakes the crown from NVIDIA Mega-cap tech diverged sharply. Apple rose 1.17%, Microsoft gained 1.94%, and Google A advanced 2.13%. NVIDIA dropped 4.99%, Tesla fell 1.22%, Amazon eased 0.31%, and Meta slipped 0.22%. Apple's market capitalization climbed to about $4.93 trillion, while NVIDIA fell to $4.78 trillion, flipping the ranking. Apple is up 24% year-to-date, and its steady capex posture has unexpectedly positioned the stock as a relative haven amid renewed AI spending anxiety. Memory names take the brunt as China's listings buck the trend The Philadelphia Semiconductor Index closed down 2.23% at 11,554.88. TSMC's ADR fell 1.03%, AMD sank 5.17%, and ASML dropped more than 5%. The deepest pain was in memory. Micron declined 2.25%. SK Hynix plunged as much as 10% intraday and finished below its U.S. IPO offering price. SanDisk tumbled more than 11%. Kioxia's ADR slid more than 7%. SanDisk has shed $170 billion in market value over the past month. The selloff was catalyzed by developments in China. DRAM maker CXMT debuted on the STAR Market, surging more than 450% at the open and briefly topping Intel in market capitalization. Traders read the move as evidence that China's push toward DRAM self-sufficiency is progressing faster than expected. Reports then surfaced that Samsung Electronics is also considering sourcing DRAM from Chinese suppliers to cut costs. Together, the headlines undercut the valuation narrative for U.S.-listed memory stocks. Most institutions are not leaning fully bearish, arguing that the AI-storage advantages of Micron, SK Hynix, and Samsung are unlikely to be displaced quickly. The latest drawdown, in that view, may ultimately reward buyers willing to step in. Chinese equities were a rare pocket of strength. The Nasdaq Golden China Index climbed 2.51% to 6,257.87, nearing its 50-day moving average. Xiaomi's ADR jumped 8.97%, Baozun gained 12.8%, EHang rose 7.5%, NetEase added 3.5%, and Pinduoduo, Tencent, and Alibaba each advanced more than 2%. NVIDIA credit risk jitters add to the pressure NVIDIA's decline also came with a credit-market signal. Its credit default swap spread widened by 14 basis points in one day, a record move, as investors scrutinized a business model that increasingly blends supplying, investing, and providing guarantees. NVIDIA has disclosed plans to extend up to $250 billion in financing guarantees for OpenAI's data center project in Ohio, on top of more than $500 billion in prior cooperation with SK Group. The structure, in which NVIDIA acts as vendor, investor, and guarantor inside the AI infrastructure chain, has raised concerns about how quickly stress could cascade if any link weakens. Goldman Sachs strategist Chris Hussey has tied the S&P 500's stagflationary feel over the past two months to doubts about whether AI infrastructure spending can translate into durable profits, with oil and rates as secondary drivers. On Monday, excluding AI-related stocks, the rest of the S&P 500 rose about 0.8%, outperforming the headline index and lending support to that interpretation. U.S.-Iran ceasefire signals muddied as Saudi facilities reportedly hit again President Trump said publicly that the U.S. and Iran are in "very serious negotiations," describing himself as patient and saying time is ample. The talks are said to center on reopening the Strait of Hormuz and reviving the nuclear deal. Iran has rejected that framing, denying negotiations and insisting the U.S. cannot dictate when the conflict begins or ends. Market sentiment tightened after reports that a key Saudi Aramco facility in Abqaiq appeared to be attacked and caught fire, a site considered strategically sensitive on par with the Strait of Hormuz. Separately, reports said the Pentagon is worried about rapid depletion of U.S. air-defense interceptors in the Middle East, a constraint that could limit further escalation. Israel's prime minister has left for Washington for face-to-face talks with Trump on Iran, and Trump acknowledged the two sides still differ on specific approaches. Fed uncertainty spikes as hike odds triple in a week Rate futures this week imply a 34% to 38% chance the Fed raises rates by 25 basis points at this meeting, up from roughly 13% a week earlier. Bloomberg's Sebastian Boyd highlighted a tension: officials have sounded more hawkish, with Logan and Harker warning about potential hikes and Governor Waller saying U.S. risks have fully shifted. At the same time, short-term inflation expectations have dropped to the lowest level in more than a year and longer-term expectations have trended down for months, while the feared second-round inflation impact from higher oil prices has yet to appear. Earnings season hits full speed Roughly one-third of S&P 500 companies will report this week, including Microsoft, Meta, Amazon, and Apple. Morgan Stanley's Chris Larkin said geopolitics and oil may be the biggest uncertainties; even strong results from the mega-caps may not translate into higher share prices if skepticism around AI spending persists. JPMorgan's team remains tactically bullish, citing falling yields, a weaker dollar, and solid earnings as potential upside catalysts for the S&P 500, while flagging crowded semiconductor positioning and the Iran conflict as the top risks.