U.S. AI megacaps mask yield pressure on broader stock market

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AI megacaps mask yield pressure

Highlights

Nvidia, Microsoft, and Meta collectively make up nearly 17% of the S&P 500, driving the Nasdaq Composite up 1% to a record close despite climbing yields.
The 10-year Treasury yield rises above 5.34% and the 30-year approaches 5.7%, yet megacap AI stocks sustain the broader index near records even as most equities face rate pressure.
Weakness in utilities and safety stocks signals higher rates are weighing on income-focused shares, with bond market signals diverging from headline equity index strength.

AI leaders drive index resilience

As reported by CNBC, Jim Cramer says Nvidia, Microsoft and Meta are creating an unusual gap between stock performance and the message coming from the bond market. On Monday, the Nasdaq Composite rises about 1% to a record close, while the S&P 500 gains 0.66% and finishes just 0.3% below its Aug. 13 record close, even as the 10-year Treasury yield moves above 5.34% and the 30-year nears 5.7%.

Cramer says the move breaks with a pattern that has held since the Iran war broke out. Falling oil would normally help ease inflation concerns and reduce pressure on yields, but rates continue to climb while equities still rally, led by Meta, Microsoft and Nvidia.

He says each company has a distinct catalyst supporting investor demand despite higher borrowing costs. Nvidia's newest chips are generating strong returns for customers, he says, citing SpaceX's Nvidia-powered computing clusters and efforts to rent computing capacity to companies developing AI, while Microsoft benefits from stronger sentiment around Copilot and Meta gains from enthusiasm for its Muse personal agent app and its potential to deepen ties with small businesses.

The size of those companies in market-cap-weighted indexes amplifies the effect. As of Friday's close, Nvidia accounts for about 8.5% of the S&P 500, Microsoft for roughly 5.8% and Meta for about 2.4%, putting their combined weight at nearly 17% entering the week.

Bond market signals broader strain

Cramer says the continued Treasury sell-off may reflect the U.S. government's heavy borrowing needs, strong demand for capital to fund data center projects, or hedge funds shorting bonds. He also notes that even a weaker-than-expected jobs report last week, which would usually cool expectations for further Federal Reserve rate hikes and push yields lower, provides relief for less than a day.

Under the surface, he says higher rates are still weighing on much of the market. Weakness in traditional safety stocks and many utilities points to pressure on the types of shares income-focused investors often favor, especially now that bonds offer more attractive payouts than they did months earlier.

Cramer says that means the headline levels of the S&P 500 and Nasdaq do not amount to an all-clear for Wall Street. Until pressure from rising rates eases, he says the bond market may remain the better guide to the market's next move.

In our earlier article on weakening market breadth behind record index closes, we noted that headline gains in the Nasdaq and S&P 500 were being carried by a relatively small group of large-cap stocks. We highlighted the concentration risk this creates for cap-weighted index investors, especially as elevated Treasury yields add pressure on smaller and more rate-sensitive companies.

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