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.

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

The gains of the last several years could broaden out to other sectors.

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.

Friday, the AI pressure proved too heavy for the economically sensitive parts of the market to absorb fully, leaving the S&P 500 with a small weekly loss.

"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…