Buffett revealed that he has bought $12 billion of stock for his company Berkshire Hathaway Inc (BRKa.N) since the Republican Donald Trump beat Democrat Hillary Clinton in the Nov. 8 U.S. presidential election.

Warren Buffett's Berkshire Hathaway Inc on Monday revealed a new stake in Apple Inc, in a bet that the stock's price could rebound after iPhone sales fell for the first time.

"I don't know how people make it on $7.25 an hour. I would like to see an increase of some magnitude. But I'd rather leave it to the states. Let the states decide."

Many fear hedge funds are pushing up crude oil prices prematurely, which will lead to a renewed crash when the bubble bursts, as it did after the last big run-up in prices between January and May 2015. John Kemp argues that hedge funds and speculators are not driving the recent rally in oil prices. That’s a pretty stark argument from a very good piece in January by F. William Engdahl, who argued in January that 60% of today’s oil price is driven by speculation.

Billionaire investor Warren Buffett defended some of his core holdings in a televised interview on Monday, but reiterated that equities in general would look expensive in an environment with normal interest rates.

At 84, it's time for Warren Buffett to start looking for a successor. Who will it be?

Warren Buffett called America the "motherlode of opportunity," but is moving towards holdings abroad.

Berkshire Hathaway Inc. agreed to backstop as much as $6.5 billion of Liberty Mutual Holding Co.’s obligations tied to asbestos and workers’ compensation policies.