Date,Symbol,Name,Last Sale,Net Change,% Change,Market Cap,Country,IPO Year,Volume,Sector,Industry 20250729,AMPH,Amphastar Pharmaceuticals Inc. Common Stock,$21.67,-0.57,-2.563%,1021503972.0,United States,2014.0,358965,Health Care,Biotechnology: Pharmaceutical Preparations 20250730,AMPH,Amphastar Pharmaceuticals Inc. Common Stock,$21.34,-0.33,-1.523%,1005948074.0,United States,2014.0,304733,Health Care,Biotechnology: Pharmaceutical Preparations 20250731,AMPH,Amphastar Pharmaceuticals Inc. Common Stock,$20.95,-0.39,-1.828%,987563831.0,United States,2014.0,545003,Health Care,Biotechnology: Pharmaceutical Preparations