Warren Buffett's Berkshire Hathaway sharply increased its stake in ConocoPhillips this spring and summer, accumulating a total of 84 million shares as of the end of the third quarter on September 30, according to Berkshire's just-released quarterly portfolio filing with the SEC... Read More
Warren Buffett says in the new biography coming out Monday that letting his wife leave their Omaha home in 1977 was the "biggest mistake I ever made," according to The New York Daily News.... Read More