Amphastar Pharmaceuticals, Inc. (AMPH) Stock Charts AMPH Home News Ratings Charts Amphastar Pharmaceuticals, Inc. (AMPH): $50.73 0.20 (+0.40%) POWR Rating Get Rating Component Grades Growth Get Rating Value Get Rating Momentum C Stability C Sentiment Get Rating Quality C Add AMPH to Watchlist Sign Up Industry: Medical - Pharmaceuticals Industry D Ranked #52 of 161 in industry See All 'A' Rated Buy Stocks Amphastar Pharmaceuticals, Inc. (AMPH) Performance Graph for POWR Ratings Amphastar Pharmaceuticals, Inc. (AMPH) Interactive Chart AMPH Chart by TradingView Amphastar Pharmaceuticals, Inc. (AMPH) Ratings History Chart Free access to the full ratings history for AMPH. Sign up now! Most Popular Stories View All • 2 Concerns for Investors in October • 3 Cybersecurity Stocks Defending Against Digital Threats • 3 Oil Stocks With High Upside as Global Demand Rebounds • 3 Tech Stocks Under $10 That Could Deliver Big Gains • Investors…Why Be Bearish? View All Top stories Get Free Updates Join thousands of investors who get the latest news, insights and top rated picks from StockNews.com! Subscribe Get Free Updates Join thousands of investors who get the latest news, insights and top rated picks from StockNews.com!