World's 2nd richest man now AT&T enemy

AT&T agreed to sell its stake in America Movil to avoid conflicts with DirecTV's Latin American business. America Movil is controlled by Carlos Slim, the world's second richest man. Is that an enemy AT&T can afford to have?

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CNNMoney assistant managing editor Paul LaMonica highlights the latest news from Wall Street and what's moving the markets in his daily investing commentary.