U.S. stocks finished mixed today, with the Dow up 0.38%, S&P 500 down 0.06%, Nasdaq off 0.44%, and Russell 2000 down 0.45%. Technology was the main source of weakness, with semiconductors, memory stocks, software and cybersecurity companies generally lower. Meta was a notable exception, gaining more than 3% following new AI model announcements.
But underneath the major indexes, market breadth was actually fairly healthy. More S&P 500 stocks rose than fell for the seventh time in eight sessions, with banks, healthcare, energy, payments, telecom and consumer staples among the stronger areas. Meanwhile, WTI crude rose 2.1% as geopolitical tensions in the Middle East escalated over the weekend.
AI Stocks Pull Back as Competition Intensifies
AI-related stocks were among today’s weakest areas. Memory stocks came under particular pressure after China’s ChangXin Memory Technologies highlighted progress on technology that could allow it to fit more memory onto individual chips. Micron fell nearly 4%.
But the broader AI news remained active. Nvidia is reportedly considering acquiring or increasing its investment in Reflection AI, a developer of open-weight AI models, while Amazon is reportedly exploring a roughly $7 billion acquisition of Decart, a startup whose technology could make it easier for customers to move AI workloads between different types of chips. Meta also announced two new Muse AI models and said it plans to sell its most advanced AI capabilities directly to corporate customers.
The larger message is that the AI boom is increasingly becoming a competitive battle across the entire technology stack - models, chips, cloud infrastructure, software and financing. That is good for innovation and AI adoption, but it also means investors may have to become much more selective about which companies ultimately capture the profits.
The Broader Market Holds Up Better
Perhaps the most encouraging development today was what happened outside technology. Even with the Nasdaq falling, more S&P 500 stocks advanced than declined. Banks, managed-care companies, hospitals, insurers, payments companies and energy stocks were among the stronger groups. That’s notable because one of the market’s biggest weaknesses recently has been its reliance on a relatively small group of large technology and AI-related companies.
A healthier market would ideally see gains spread across more industries. One day doesn’t establish a trend, but a market that can hold up while AI stocks decline is potentially a better-balanced market than one that depends entirely on technology continuing to rise. That will be worth watching as earnings season gets underway.
Oil Climbs as Middle East Tensions Escalate
Oil returned as a source of concern today. WTI crude gained 2.1% following renewed fighting in the Middle East over the weekend, including attacks on Saudi infrastructure. Negotiations surrounding the Strait of Hormuz also remain unresolved, with significant differences still separating the U.S. and Iran. At the same time, the physical oil market has generally proven more resilient than feared during earlier stages of the conflict.
That’s why the inflation implications remain uncertain. A sustained move higher in crude could once again push up gasoline, diesel and transportation costs. But if regional oil flows remain relatively stable, the economic impact could be considerably smaller than investors feared during September’s oil spike. For now, oil remains one of the market’s most important inflation risks.
A Big Week for Earnings and Inflation
Today’s session was relatively quiet economically, but that changes quickly. Major banks will begin reporting earnings, while semiconductor companies including ASML and TSMC should provide another look at the strength of AI and technology spending.
Wednesday’s CPI inflation report will be particularly important. The Fed has made clear that inflation remains its primary concern, but investors have recently reduced expectations for an immediate additional rate hike. A cooler inflation report could reinforce that view and provide some relief for bond yields. A hotter report could quickly revive concerns that the Fed will need to tighten again.
Thursday then brings producer inflation, retail sales and remarks from Fed Chair Kevin Warsh. In other words, the relatively calm market today is unlikely to stay quiet for long.
Here’s Our Take
Today’s market offered a useful reminder that the health of the stock market can’t be judged solely by what happens to the largest technology companies. AI stocks weakened, yet the broader market held up reasonably well. That’s potentially encouraging. For much of this year, investors have worried that market gains were becoming too dependent on a relatively narrow group of companies benefiting from the AI boom. If banks, healthcare, industrials and other sectors can participate more consistently, the market would have a healthier foundation.
At the same time, the AI story itself is becoming more complicated. The question is no longer whether AI investment will continue, it almost certainly will. The more important questions are becoming which models win, which chips gain share, who controls the customer relationship, how the infrastructure gets financed and which companies ultimately turn enormous AI spending into durable profits.
This week’s earnings should start providing more answers. The macro picture matters just as much. Oil is rising again, inflation remains above the Fed’s comfort zone and Treasury yields are already elevated. That makes Wednesday’s CPI report especially important.
If inflation continues cooling while earnings remain strong, the market could have an increasingly attractive combination: solid corporate profits, a broadening rally and less pressure from interest rates. But if inflation surprises higher and oil continues climbing, the Fed could quickly return to center stage. For now, today’s improved breadth is a positive sign—but the real tests arrive later this week.
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