The bigger they are, the harder they fall.

From Marketplace, I'm Sabrie Venashore, and for David Brancaccio.

AI Chip-making company, NVIDIA,

lost $279 billion in market value yesterday, and its shares kept falling in after-hours trading

overnight.

The company reportedly received subpoenas from the U.S. Department of Justice yesterday, according

to Bloomberg. That's part of a probe into

whether NVIDIA violated antitrust laws. But the stocks decline centers more on

questions around the future of artificial intelligence itself as

Henry up reports.

Invidia Chips power artificial intelligence systems which

tech companies like Google, Apple, Facebook, and Amazon have been pouring

billions into in the last few years.

But the big question for the industry is when or if those investments will ever pay off.

And the longer it takes for tech companies to start showing that they found ways to actually make money with AI,

the more investors have gotten wary of buying NVIDIA stock at top prices,

even though the chipmaker itself keeps turning healthy profits.

Invidia's downturn is also tied to broader concerns among investors

about the direction of the global economy, especially in the U.S. and China.

More uncertainty in the market means some investors have pulled back

from riskier sectors like AI, but a bit more insight into the health of the

U.S. economy is coming later this week in the August jobs report on Friday. I'm Henry App for

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