Berkshire Hathaway's Class A shares have appreciated 3,999,494% since Warren Buffett took over the company in 1965.

Berkshire Hathaway (NYSE: BRK.A) (NYSE: BRK.B) is hovering around an all-time despite last week's sell-off in the major indexes. At the time of this writing, Berkshire's market cap is $1.11 trillion,

U.S. stock indexes are slumping further from their records Thursday as Wall Street’s frenzy around artificial-intelligence technology weakens some more. The S&P 500 was down 1% in late trading and on track for its fifth drop in six days after setting an all-time high set last week.

Berkshire Hathaway CEO Warren Buffett told CBS ... Stocks such as Tesla and Nvidia now make up a huge chunk of the S&P 500's total value, exposing investors to heavy losses if they tumble.

Nvidia guidance will be crucial for tech bulls. Fed's favorite inflation gauge looks more benign than CPI. Warren Buffett assures investors on cash pile.

U.S. stock indexes fell sharply Thursday as Wall Street’s frenzy around artificial-intelligence technology faltered some more. Concerns about the U.S. economy’s future have been behind much of the drop,

World shares were mostly higher on Wednesday ahead of a keenly anticipated quarterly profit report by Nvidia and an update on the state of the U.S. economy. Germany's DAX rose 1.3%