65% of Warren Buffett's Portfolio Is Invested in These 4 Stocks - The Motley Fool

Warren Buffett has never been one to preach diversification.

Warren Buffett and his company Berkshire Hathaway(BRK.A -0.20%)(BRK.B -0.18%) have for years done an excellent job of creating shareholder value, particularly through the company's $314 billion-plus … [+5272 chars]

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