AT&T announced it has sold its stake in America Movil for $5.57 billion to a company ran by Carlos Slim. Inmobiliaria Carso, Slim's real estate company, announced it was buying the stock from AT&T on Friday. Back in May AT&T said it was looking to sale its shares to help it gain regulatory approval or its purchase of DirecTV. In a filing AT&T said it sold stock comprising of 73 million "L" shares and 5.74 billion "AA' shares. America Movil shares closed at $13.45 today.