Amphastar Pharmaceuticals (NASDAQ:AMPH – Get Rating) issued its earnings results on Tuesday. The company reported $0.47 earnings per share for the quarter, topping analysts’ consensus estimates of $0.36 by $0.11, MarketWatch Earnings reports. Amphastar Pharmaceuticals had a return on equity of 17.35% and a net margin of 17.87%. During the same period last year, the […]