One of Warren Buffett's favorite valuation signals says the market is extremely overvalued. History says that investors should prepare themselves for a bear market.

The market gauge Warren Buffett once called "probably the best single measure" of overall valuation is flashing one of its ...

Will 2026 be the year of the crash?

Berkshire Hathaway BRK.B CEO Warren Buffett handed over the reins to his hand-picked successor, Greg Abel, last week. The official passing of the torch highlights the end of an era and one of the most ...

The Oracle of Omaha favored this valuation tool above all others -- and it suggests stocks are in big trouble.