Oracle's deal to own part of TikTok may not be as great as investors had hoped.

Oracle ( ORCL -4.01% ) stock tumbled 5% through 11 a.m. ET, as investors rethink their enthusiasm for the longtime database software company that's turned into a red-hot play on artificial intelligence (AI) through its relationship with OpenAI .

And why?

Turns out the answer has nothing to do with artificial intelligence at all. Today, it's all about TikTok .

Oracle's paying for TikTok, but what will it get?

It's been about a week since rumors began floating that the deal to sell TikTok's U.S. operations to a consortium of American companies is accelerating -- rumors that named Oracle as a prominent player. Today, multiple news outlets report further details on how the deal might proceed.

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