Warren Buffett's Berkshire Hathaway owns one of the world's most closely watched stock portfolios. It holds stakes in 46 stocks and exchange-traded funds that are worth $296.8 billion, or 30% of its entire market capitalization.

Diversification ranks among the most important components of many investment strategies. However, one of the world's greatest investors isn't gung ho about the idea. Warren Buffett once said, "Diversification is protection against ignorance.

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,

Warren Buffett, the world’s greatest stock picker, isn’t picking many stocks these days. Buffett has been a net seller of stocks for eight consecutive quarters. There’s a reason Buffett isn’t buying many stocks,

Warren Buffett will likely go down as the greatest investor of all time -- and he recently proved just how good he is even at 94 years old. In a last-minute comeback, Buffett's company Berkshire Hathaway beat the broader benchmark S&P 500 yet again in 2024.