Amphastar Pharmaceuticals (AMPH) Stock Chart & Stock Price History → Secret energy grid to power millions of homes (From Porter & Company) (Ad) Free AMPH Stock Alerts $40.71 -0.24 (-0.59%) (As of 06/7/2024 ET) Add Compare Share Share ChartStock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsStock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrends Amphastar Pharmaceuticals Stock Price Performance5 Day Performance-3.83%1 Month Performance-4.82%3 Month Performance-12.94%6 Month Performance-28.69%Year-To-Date Performance-34.18%1 Year Performance-11.33% Receive AMPH Stock News and Ratings via Email Sign-up to receive the latest news and ratings for Amphastar Pharmaceuticals and its competitors with MarketBeat's FREE daily newsletter Email Address Ad Market Moving TrendsTop 5 AI Stocks to Buy for 2024The electric vehicle boom is accelerating – and fast.Click to View The 5 Best AI Stocks to Invest In AMPH Stock Chart for Friday, June, 7, 2024 AMPH Chart by TradingView Amphastar Pharmaceuticals Share Price History Daily Weekly Monthly Time Frame Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year Time Frame * Start Date * End Date Export to Excel DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization06/07/2024$40.95$40.71-0.59%$41.16$40.53350,023 shs$1.99 billion06/06/2024$42.04$40.95-2.59%$42.27$40.84312,978 shs$2.00 billion06/05/2024$42.22$42.04-0.43%$42.67$41.65478,077 shs$2.06 billion06/04/2024$42.25$42.22-0.07%$43.49$41.92583,975 shs$2.06 billion06/03/2024$42.33$42.25-0.19%$43.19$42.17409,140 shs$2.07 billion05/31/2024$42.15$42.33+0.43%$42.54$41.42352,365 shs$2.07 billion Get the Latest News and Ratings for AMPH and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Amphastar Pharmaceuticals and its competitors with MarketBeat's FREE daily newsletter. 05/30/2024$41.64$42.15+1.22%$42.47$41.73148,145 shs$2.06 billion05/29/2024$41.98$41.64-0.80%$42.04$41.45201,587 shs$2.04 billion05/28/2024$43.26$41.98-2.97%$43.49$41.83377,085 shs$2.05 billion05/27/2024$43.26$43.26$43.75$42.91226,600 shs$2.12 billion05/24/2024$43.35$43.26-0.21%$43.70$42.91226,533 shs$2.12 billion05/23/2024$43.46$43.35-0.25%$43.90$42.87247,766 shs$2.12 billion05/22/2024$41.91$43.46+3.70%$44.14$42.19325,090 shs$2.13 billion05/21/2024$43.07$41.91-2.69%$43.35$41.89285,962 shs$2.05 billion05/20/2024$43.48$43.07-0.94%$43.95$42.89269,722 shs$2.11 billion05/17/2024$42.74$43.48+1.73%$43.60$42.19328,460 shs$2.13 billion05/16/2024$42.44$42.74+0.71%$42.81$41.71376,726 shs$2.09 billion05/15/2024$41.30$42.44+2.76%$42.63$41.30464,924 shs$2.08 billion05/14/2024$42.37$41.30-2.53%$43.22$41.27566,213 shs$1.99 billion05/13/2024$42.21$42.37+0.38%$42.50$41.24378,389 shs$2.04 billion05/10/2024$42.43$42.21-0.52%$42.85$41.26595,849 shs$2.03 billion05/09/2024$42.21$42.43+0.52%$46.62$42.16450,925 shs$2.04 billion05/08/2024$42.77$42.21-1.31%$43.29$42.09432,660 shs$2.03 billion05/07/2024$42.68$42.77+0.21%$43.47$41.94250,417 shs$2.06 billion05/06/2024$42.46$42.68+0.52%$43.39$42.47209,637 shs$2.05 billion05/03/2024$42.66$42.46-0.47%$43.13$42.03353,226 shs$2.08 billion05/02/2024$42.08$42.66+1.38%$43.30$41.92280,813 shs$2.08 billion05/01/2024$41.25$42.08+2.01%$42.37$41.21434,952 shs$2.06 billion04/30/2024$42.02$41.25-1.83%$42.29$41.21354,835 shs$2.02 billion04/29/2024$41.11$42.02+2.21%$42.36$41.15344,628 shs$2.05 billion04/26/2024$40.83$41.11+0.69%$41.42$40.50263,601 shs$2.01 billion04/25/2024$41.00$40.83-0.41%$41.07$40.39236,143 shs$2.00 billion04/24/2024$40.91$41.00+0.22%$41.20$40.43218,269 shs$2.00 billion04/23/2024$40.17$40.91+1.84%$41.08$40.29210,158 shs$2.00 billion04/22/2024$40.01$40.17+0.40%$40.75$39.93345,088 shs$1.96 billion04/19/2024$38.65$40.01+3.52%$40.06$38.48410,091 shs$1.96 billion04/18/2024$40.05$38.65-3.50%$40.02$38.44329,460 shs$1.89 billion04/17/2024$40.90$40.05-2.08%$41.65$39.82494,596 shs$1.96 billion04/16/2024$40.78$40.90+0.29%$41.43$40.41305,212 shs$1.97 billion04/15/2024$39.62$40.78+2.93%$40.90$39.33403,687 shs$1.96 billionTop 5 Tech Stocks to Buy for 2024 (Ad)The next evolution of technology is already upending industries worth $7 Trillion… It's already got the world's most powerful tech companies (including Microsoft, Intel, and Google) investing billions. And one tiny company will be the driving force behind this new tech revolution…Click below for your free report "Top 5 Tech Stocks to Buy in 2024",04/12/2024$40.15$39.62-1.32%$40.18$38.95392,129 shs$1.91 billion04/11/2024$40.05$40.15+0.25%$40.49$39.81375,519 shs$1.93 billion04/10/2024$40.90$40.05-2.08%$40.50$39.64403,814 shs$1.93 billion04/09/2024$41.05$40.90-0.37%$41.23$40.68279,728 shs$1.97 billion04/08/2024$41.79$41.05-1.77%$42.16$41.01230,921 shs$1.97 billion04/05/2024$41.52$41.79+0.65%$42.01$41.01369,048 shs$2.01 billion04/04/2024$41.94$41.52-1.00%$42.47$41.29314,992 shs$2.00 billion04/03/2024$42.32$41.94-0.90%$42.40$41.57280,304 shs$2.02 billion04/02/2024$43.44$42.32-2.58%$43.15$42.07421,281 shs$2.04 billion04/01/2024$43.91$43.44-1.07%$43.97$43.11312,297 shs$2.09 billion03/29/2024$43.91$43.91$44.83$43.76453,253 shs$2.11 billion03/28/2024$43.52$43.91+0.90%$44.83$43.76453,245 shs$2.11 billion03/27/2024$43.21$43.52+0.72%$43.87$43.05419,338 shs$2.09 billion03/26/2024$43.63$43.21-0.96%$43.98$42.84365,305 shs$2.08 billion03/25/2024$43.70$43.63-0.16%$44.32$43.61285,349 shs$2.10 billion03/22/2024$44.53$43.70-1.86%$44.47$43.45290,995 shs$2.10 billion03/21/2024$44.03$44.53+1.14%$44.63$43.70315,031 shs$2.14 billion03/20/2024$44.57$44.03-1.21%$44.87$44.01316,747 shs$2.12 billion03/19/2024$42.85$44.57+4.01%$44.68$42.78410,576 shs$2.14 billion03/18/2024$43.05$42.85-0.46%$43.40$42.16322,673 shs$2.06 billion03/15/2024$43.19$43.05-0.32%$43.76$42.80635,538 shs$2.07 billion03/14/2024$43.55$43.19-0.83%$43.52$42.96416,568 shs$2.08 billion03/13/2024$44.15$43.55-1.36%$44.32$43.26419,660 shs$2.09 billion03/12/2024$43.81$44.15+0.78%$44.24$43.17524,282 shs$2.12 billion03/11/2024$45.67$43.81-4.07%$45.58$43.75569,615 shs$2.11 billion03/08/2024$46.76$45.67-2.33%$47.04$45.42427,462 shs$2.20 billion03/07/2024$46.31$46.76+0.97%$47.07$45.00459,518 shs$2.25 billion03/06/2024$47.33$46.31-2.16%$48.00$45.77510,911 shs$2.23 billion Related Companies: PTGX Stock Chart SNDX Stock Chart CALT Stock Chart PAHC Stock Chart ESPR Stock Chart ENTA Stock Chart INSM Stock Chart ASND Stock Chart CERE Stock Chart LEGN Stock Chart Receive AMPH Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Amphastar Pharmaceuticals and its competitors with MarketBeat's FREE daily newsletter. This page (NASDAQ:AMPH) was last updated on 6/7/2024 by MarketBeat.com Staff From Our PartnersProtect Your Bank Account Before It’s Too LateFor months I’ve been warning about the federal government’s terrifying new program to control every American’s...Weiss Ratings | SponsoredMillionaire-Making “Wealth Pattern” Just Repeated on April 22If you think you missed out on the Bitcoin band wagon… You need to watch this immediately.Paradigm Press | SponsoredBreaking - The US Gov. Seized CITGODo you want an investment that can double or triple your money in the next three months? The US Court is cu...Augury Research | SponsoredHe Is Giving Away BitcoinAnd my special guest is willing to give you $10 in Bitcoin (BTC) if you take it seriously. Right now is a v...Crypto Swap Profits | SponsoredTop 5 Tech Stocks to Buy for 2024The next evolution of technology is already upending industries worth $7 Trillion… It's already got the world'...Daily Market Alerts | SponsoredTop 5 AI Stocks to Buy for 2024The electric vehicle boom is accelerating – and fast.Market Moving Trends | SponsoredNo Strings Attached: Get 30 Days of Hedgeye’s Top Stock Picks for FreeOptimize your stock investing strategy with Hedgeye's Investing Ideas, where rigorous fundamental stock analys...Hedgeye | SponsoredWas the Great Financial Crisis fun?The Great Financial Crisis, which actually started in the summer of 2007 and did not end until March of 2009, ...Brooks Enterprises | Sponsored Adding Choose a watchlist: Watchlist Adding You have already added five stocks to your watchlist. Upgrade to MarketBeat All Access to add more stocks to your watchlist. Adding Amphastar Pharmaceuticals, Inc. Please log in to your account or sign up in order to add this asset to your watchlist. Share Amphastar Pharmaceuticals With A Colleague Link copied to clipboard. Get 30 Days of MarketBeat All Access Free Sign up for MarketBeat All Access to gain access to MarketBeat's full suite of research tools: Best-in-Class Portfolio Monitoring View the latest news, buy/sell ratings, SEC filings and insider transactions for your stocks. Compare your portfolio performance to leading indices and get personalized stock ideas based on your portfolio. Stock Ideas and Recommendations Get daily stock ideas from top-performing Wall Street analysts. Get short term trading ideas from the MarketBeat Idea Engine. View which stocks are hot on social media with MarketBeat's trending stocks report. Advanced Stock Screeners and Research Tools Identify stocks that meet your criteria using seven unique stock screeners. See what's happening in the market right now with MarketBeat's real-time news feed. Export data to Excel for your own analysis. Start Your 30-Day Free Trial Sign in to your free account to enjoy these benefits In-depth profiles and analysis for 20,000 public companies. Real-time analyst ratings, insider transactions, earnings data, and more. Our daily ratings and market update email newsletter. Sign in to your free account to enjoy all that MarketBeat has to offer. Sign In Create Account Your Email Address: Email Address Required Your Password: Password Required Log In or Sign in with Facebook Sign in with Google Forgot your password? Your Email Address: Please enter your email address. Please enter a valid email address Choose a Password: Please enter your password. Your password must be at least 8 characters long and contain at least 1 number, 1 letter, and 1 special character. Create My Account (Free) or Sign in with Facebook Sign in with Google By creating a free account, you agree to our terms of service. This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.