While Warren Buffett has been willing to adapt to changes in the stock market, he will always at his core be a value investor. Value investing is based on a simple-sounding premise: Buy stocks that are trading at less than their intrinsic value.

Warren Buffett may be stepping down as Berkshire Hathaway’s CEO at the end of the year, but he’s still making all sorts of market moves until then. In the holding company’s latest SEC filing, Berkshire reported that it was a net seller of U.

Warren Buffett's Berkshire Hathaway said on Thursday it more than doubled its stake in alcoholic beverages producer Constellation Brands, while shedding investments in Citigroup and other financial services companies.