Fool.com contributor Parkev Tatevosian discusses the key innovations provided by Tesla (TSLA -2.81%), Palantir (PLTR -0.79%), Amazon (AMZN -1.68%), and C3.ai (AI -1.83%) 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.
