Tsakos Energy Navigation (NYSE:TEN) reported quarterly earnings of $4.40 per share which beat the analyst consensus estimate of $2.48 by 77.42 percent. This is a 556.72 percent increase over earnings of $0.67 per share from the same period last year. The company reported quarterly sales of $298.405 million which beat the analyst consensus estimate of $256.866 million by 16.17 percent. This is a 54.37 percent increase over sales of $193.309 million the same period last year.