McDonald's shares were gaining Tuesday morning, up about 2%, after the burger giant posted third-quarter earnings that beat Wall Street estimates.<br /><br />The fast-food chain on Tuesday posted quarterly earnings of $2.10 per share, beating the $1.99 that was expected by analysts. Revenue fell 6.6% to $5.37 billion, but that was higher than the $5.32 billion expected by Wall Street. <br />
