Amphastar Pharma (NASDAQ:AMPH) reported quarterly earnings of $0.93 per share which beat the analyst consensus estimate of $0.85 by 9.28 percent. This is a 3.12 percent decrease over earnings of $0.96 per share from the same period last year. The company reported quarterly sales of $191.840 million which beat the analyst consensus estimate of $184.728 million by 3.85 percent. This is a 0.33 percent increase over sales of $191.214 million the same period last year.