"But as I said, this one has more legs in the sense that there are more things that are happening that throw doubt on how fast or how profitable all the AI buildout is going to be."

Shares of Oracle, which reports earnings after the close, have plunged 33% since Sept. 10, when they hit an all-time high.

Shares in Nvidia, Micron and Microsoft were also lower in premarket trade on Thursday.

Oracle reported lower-than-expected revenues in its quarterly earnings report released on Wednesday.

Nvidia was still the single heaviest weight for the S&P 500.

The broader AI trade is back in the hot seat because of Oracle. It shouldn't be.

Oracle led a pullback in AI stocks Thursday, but an exchange-traded fund tracking the S&P 500 was still flying high, making it an attractive bet for investors.

AI-related names have made losses since Oracle's mixed results on Wednesday.

“The world of bits moves fast. The world of atoms doesn’t. And data centers are where those two worlds collide.”

"But as I said, this one has more legs in the sense that there are more things that are happening that throw doubt on how fast or how profitable all the AI buildout is going to…

In at least one corner of the AI market, sentiment has turned decidedly negative.

The ready availability of clients means companies that provide the compute just need to make sure their finances are in order.

Investors are selling off individual stocks of companies that seem to be overextended, but they are broadly bullish on stocks as a whole.