Monday, August 24, 2026 Closing bell

Chips drag Nasdaq lower while the Dow rises

What happened

The S&P 500 slipped 0.3% to close at 7,652.86 and the Nasdaq composite fell 0.8% to 25,980.19, while the Dow Jones Industrial Average went the other way and rose 0.3% to 53,417.16. Chipmakers took the worst of it, with the Philadelphia Semiconductor Index down 2.6%, Micron down 5.6%, and Nvidia down about 2.3%. Banks and payment companies climbed, with JPMorgan Chase up 1.1% and Visa up 2.5%.

Why it happened

The three headline indexes are just three different baskets of stocks, so on a day like today they can point in opposite directions without anything being contradictory. The Nasdaq composite is packed with technology companies, the Dow holds only thirty large companies weighted toward banks, insurers, and industrial names, and the S&P 500 sits in between. Today money moved out of the first basket and into the second, which is why one fell and the other rose.

The selling in chips came down to nerves before a single event. Nvidia reports its quarterly results on Wednesday, and because the company sells the chips that nearly every artificial intelligence project depends on, its report is treated as a verdict on whether the whole AI spending boom is still growing. Investors who did not want to be holding chip stocks if that verdict disappoints sold first, and that pressure spread to suppliers and rivals like Micron and Broadcom.

Two policy stories added to the caution. President Trump threatened 50% tariffs on Canadian automotive products starting January 1, and a tariff is a tax the importing country charges on goods coming in, so the cost lands first on carmakers that build parts and vehicles across the border. Ford fell about 3% and General Motors fell more than 1% on that. Separately, the Treasury Department signalled new sanctions on Iran, which are restrictions that cut a country off from banks and trading partners, and the prospect of disruption to oil supply kept traders unwilling to take big risks.

Underneath all of it, the 30-year Treasury yield stayed above 5%. A yield that high is a standing headwind for expensive growth stocks, because when safe government bonds pay well, investors demand more from risky shares to justify owning them instead.

What it means for you

Not much changed in your accounts today, but two patterns are worth noticing. The first is that a workplace retirement fund tracking a broad index is more concentrated in a handful of technology companies than most people realise, so a single company's earnings report on Wednesday can move your balance more than the size of that one company suggests it should. That is not a reason to act, just a reason not to be surprised.

The second is the 30-year yield holding above 5%. Long term government yields are the base that mortgage rates are built on, so as long as they stay up there, anyone shopping for a house or hoping to refinance is unlikely to get relief. The flip side is real and often ignored, which is that high yields are the reason savings accounts, certificates of deposit, and money market funds are still paying respectable rates. If you are keeping an emergency fund in a checking account earning nothing, this is the environment in which moving it is worth the twenty minutes.

On the tariff threat, nothing hits prices in January or before. If it takes effect, the cost of imported vehicles and parts rises, and that tends to show up as higher sticker prices and higher repair bills rather than as a line item anyone announces.