Artificial intelligence (AI) is changing the world. Corporations are racing to establish themselves as leaders in the field, while investors want to cash in by putting their hard-earned money into the most promising AI companies. However, prominent names in this fast-growing space have seen their shares soar in the past two years, and the valuations of some have become quite expensive. Two AI healthcare stocks -- Recursion Pharmaceuticals (RXRX -2.76%) and Teladoc Health (TDOC -5.20%) -- have lagged the mar ...