Chubb trades at a hefty price-to-book value of 1.75, which is near the high end of its five-year median. Still, given its record revenue and earnings, robust balance sheet, and shareholder-friendly history, the stock appears deserving of its high valuation.

Investors have gotten excited about the potential of artificial intelligence (AI) and piled into stocks in the field, and they've become more optimistic about the economy as the Federal Reserve launched interest rate cuts this fall.

All right, put down that shovel and lend an ear: the Oracle of Ohama has something to say.Warren Buffett is quoted so often by so many people that you sometimes wonder how the guy has time for anything else.