Is C3.ai (NYSE: AI) just a momentum stock? More and more, it's starting to look that way.

After surging 6.5% over the weekend, then dropping 11% on Tuesday and gaining back more than half of that on Wednesday, shares of the artificial intelligence stock were on the move once again Thursday morning -- down 7.6% as of noon ET.  

What's stranger still, they're going down on good news.

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Source Fool.com