In this article, we will take a look at 13 Best AI Stocks to Buy Under $20.Artificial intelligence has been a major part of investment strategies over the past two years. It’s one of the reasons the overall equity market has rallied to record highs, driven by solid gains in tech-heavyweights. While the S&P 500 is highly diverse, it’s increasingly becoming an AI index, with five companies accounting for about 30% of its weight.While focus for the longest time has been on tech giants spearheading the AI revol ...