Matthew Fox

"I'm not chip supply constrained," Microsoft CEO Satya Nadella said in a recent interview. Nvidia stock has dropped 7% since the comments.

Tesla shares hit a record high for the fifth day in a row on Tuesday, boosted by bullish price target upgrades from two Wall Street firms.

"Stocks tend to do well in the absence of news and this is why strength around holidays tends to occur," Ryan Detrick said.

Nukkleus stock surged over 4,700% in two days after it said it bought a stake in a defense firm.

The Fed would need to lower interest rates by another 100 basis points for the final ingredient of a bubble to be added to the mix, UBS says.

The Fed's preferred inflation gauge was cooler than expected, though still above target. Traders are eyeing a looming government shutdown.

"Market tops have to start somewhere, and many begin with breadth divergences," Ned Davis Research said.

Ned Davis Research called Grand Theft Auto VI the "800 pound gorilla" that will drive a sales boom for the video game industry.

US stocks soared Friday after tame inflation data and dovish comments from the Fed's Austan Goolsbee.

More than 60 leveraged single-stock ETFs have launched this year, attracting more than $20 billion in assets.