Warren Buffett Is Buying Shares of This Legal Monopoly Hand Over Fist

Despite being a net seller of stocks for the last two years, the Oracle of Omaha has unearthed one historically cheap value stock he can't stop buying.When billionaire Warren Buffett speaks, Wall Street tends to pay very close attention. In his nearly six decades as CEO of Berkshire Hathaway (BRK.A 1.26%) (BRK.B 0.59%), he's overseen close to a 5,600,000% cumulative return in his company's Class A shares (BRK.A). Few money managers have been able to consistently outpace the benchmark S&P 500 (^GSPC -0.76%) ...