Shares of artificial intelligence (AI) company C3.ai (NYSE: AI) are enjoying a modest 3.5% rise in share price Tuesday morning (as of 11:40 a.m. ET) on positive news from Wall Street.

Investors can thank Oppenheimer for the good news -- because it just upgraded C3.ai stock to outperform.

As StreetInsider.com relates, Oppenheimer first initiated coverage of C3.ai stock in June, but only with a neutral rating. Today's upgrade to outperform is justified by a combination of C3.ai's stock having gotten 20% cheaper in the interim, and the company issuing more realistic and achievable guidance.

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Source Fool.com