Megan McCarty Carino

Also gets pretty loud and pretty hot.

But first, let's do the numbers.

Dow Industrials up 313 today, two-thirds of 1%, 49,412.

The NASDAQ added 100 points, about four-tenths percent, 23,601.

The S&P 500 gained 34 points, about a half percent, 69,050.

Some of the big AI players out there.

NVIDIA dropped six-tenths percent.

Broadcom, supplier of semiconductors and software, increased one and a half percent.

Micron Technology dropped about two and six-tenths percent.

Bonds up yield on the 10-year T-note down 4.21%.

This is Marketplace.

I'm Kai Risdahl.

We're going to continue with the thread of Megan's piece now, artificial intelligence.

And to do it, do me a favor and picture for me, if you would, a data center.

What does it look like?

We are sitting in actually what they used to call the terminal annex for the U.S.

Post Office.

Well, whatever you imagine, it's probably not an historic building smack in the middle of downtown Los Angeles, right?

This building was built in 1938.

And it was used to transport all of the mail off the train and then send it on its way.