Maria Aspin

All eyes were on NVIDIA this week.

The chip company has become a bellwether for the artificial intelligence frenzy, and it's now the most valuable company in the world.

On Wednesday, it dropped another blockbuster report card, telling investors it made another $32 billion in profit in just three months.

But will all the computer chips NVIDIA is selling actually transform the economy?

Investors are increasingly worried that all the money companies are spending on AI won't pay off in the long term.

That would be a rude awakening for the stock market, which has been hitting record highs this year thanks to the soaring value of tech stocks, and particularly AI-related companies.

Maria Aspin, NPR News, New York.

Nvidia is the most valuable company in the world.

It sells the semiconductors that are powering the AI boom, and it's making gobs of money.

But for all the billions of dollars that tech companies are investing in AI, they're not seeing a lot of payoff yet.

Now more top investors and CEOs are warning that the AI bubble is due to burst.

That's a problem for the stock market, which has been hitting record highs thanks to tech stocks, despite lots of other economic uncertainty.

Tariffs are cutting into company profits, consumer prices are rising, and the jobs market is weakening.

Investors will get a delayed government update on employment, but in the meantime, they celebrated NVIDIA's blockbuster report card.

Maria Aspin, NPR News, New York.

NVIDIA is the most valuable company in the world.

It sells the semiconductors that are powering the AI boom, and it's making gobs of money.

But for all the billions of dollars that tech companies are investing in AI, they're not seeing a lot of payoff yet.

Now more top investors and CEOs are warning that the AI bubble is due to burst.

That's a problem for the stock market, which has been hitting record highs thanks to tech stocks, despite lots of other economic uncertainty.