Berkshire Hathaway (BRK.A) (BRK.B) Chairman Warren Buffett recently released his annual letter to shareholders, along with the company’s 2020 earnings. Despite negative comments from Berkshire partner Charlie Munger last week about the market mania surrounding GameStop (GME), Bitcoin and SPACs, Buffett didn’t directly mention any of that in his letter. Instead, he extolled the virtues of long-term […]