Through the first nine months of 2024, Warren Buffett's Berkshire Hathaway unloaded $133 billion worth of stocks. Buffett reduced Berkshire's massive stake in Apple and sold nearly a quarter of its Bank of America holding.

In a famous Arthur Conan Doyle story, "The Adventure of Silver Blaze," Sherlock Holmes draws the attention of Scotland Yard's Inspector Gregory to the "curious incident of the dog in the night-time." Gregory,

With Berkshire Hathaway delivering an average annual return of around 19.8% over almost six decades, Buffett clearly knows what he's doing. Unsurprisingly, he hasn't diversified Berkshire's holdings as much as most investors would.