Shares of C3.ai (AI 4.29%) rallied out of the gate Tuesday, climbing as much as 7.2%. As of 12:18 p.m. ET, the stock was still up 3.4%.While recent advances in the field of artificial intelligence (AI) have caused many related stocks to rally lately, the catalyst that sent the AI software provider climbing was better-than-expected results from a competitor in the space.Strong demand for AIRival AI specialist Palantir Technologies (PLTR 27.15%) released its fourth-quarter report after market close yesterday, ...