Berkshire now owns 264 million Occidental shares worth about $12 billion, a 28% stake in the big U.S.-focused energy company.

If you're looking for market insight and investment ideas, Warren-Buffett-led Berkshire Hathaway (NYSE: BRK.A) (NYSE: BRK.B) ...

Berkshire Hathaway doesn't have any major announcements planned for Jan. 30, but its top holding, Apple, does. History ...

Could it be valuation? Berkshire Hathaway is trading with a forward price-to-earnings (P/E) ratio of 23.5. A stock is considered a value when it has a much lower P/E ratio, usually under 15.

Apple stock promptly soared 10.5% the next day. Berkshire Hathaway's share price increased by less than 1%, a ho-hum move despite Apple's great quarterly update.

Warren Buffett is admired by investors the world over. Many would like to own his stock. Is it a buy right now?

Warren Buffett's Berkshire Hathaway trimmed its position in Apple and established a new position in Domino's Pizza, a stock ...

Learn more about whether Berkshire Hathaway Inc. or Block, Inc. is a better investment based on AAII's A+ Investor grades, which compare both companies' key financial metrics.