Warren Buffett has made a lot of money for Berkshire Hathaway (BRK.A -0.55%) (BRK.B -0.60%) investors since making Apple (AAPL 0.60%) its biggest investment. But a few years before, Buffett made some mistakes in tech, trying to value-shop with IBM (IBM 0.93%). In this video, Motley Fool contributors Jason Hall and Tyler Crowe discuss the lessons we can learn and how a different Buffett stock that's easy to overlook -- Moody's (MCO -0.56%) -- has been a massively underappreciated winner.
*Stock prices used were from the afternoon of May 2, 2023. The video was published on May 5, 2023.
