Warren Edward Baffett forgot the council about diversification

Investing.com — Despite the statement Warren Edward Baffett "diversification — is protection against ignorance" if to look at structure of an investment portfolio of Berkshire Hathaway Inc (NYSE: BRKb) $214 billion in size, it is possible to see that well-known "the oracle from Omaha" not absolutely follows own advice. Now the Berkshire corporation owns actions of Apple Inc. (NASDAQ: AAPL) for the sum more than $91 billion that makes 43% of the general portfolio of companies, writes Market Watch. In total in a portfolio of the stock 46 of the companies and even if to put them together, except for bank stocks Bank of America COR (NYSE: BAC)...