Fool.com contributor Parkev Tatevosian discusses the key innovations provided by Tesla (TSLA +0.96%), Palantir (PLTR +1.04%), Amazon (AMZN -1.34%), and C3.ai (AI +0.09%) in artificial intelligence (AI). He compares the four AI stocks on financial metrics, including valuation, to determine the best stock to buy.
*Stock prices used were the afternoon prices of Oct. 17, 2023. The video was published on Oct. 18, 2023.
