Five9 (NASDAQ:FIVN) reported quarterly earnings of $0.67 per share which beat the analyst consensus estimate of $0.58 by 15.52 percent. This is a 28.85 percent increase over earnings of $0.52 per share from the same period last year. The company reported quarterly sales of $264.18 million which beat the analyst consensus estimate of $255.10 million by 3.56 percent. This is a 14.81 percent increase over sales of $230.10 million the same period last year.