United Therapeutics (NASDAQ:UTHR) reported quarterly earnings of $6.63 per share which beat the analyst consensus estimate of $6.52 by 1.69 percent. This is a 7.46 percent increase over earnings of $6.17 per share from the same period last year. The company reported quarterly sales of $794.40 million which beat the analyst consensus estimate of $729.83 million by 8.85 percent. This is a 17.22 percent increase over sales of $677.70 million the same period last year.