Avoid the stress of overpaying for a stock or missing an opportunity by using the right tools and insights to evaluate ACM Research, Inc. before investing.

In this article, we go over a few key elements for understanding ACM Research, Inc.’s stock price such as:

• ACM Research, Inc.’s current stock price and volume
• Why ACM Research, Inc.’s stock price changed recently
• Upgrades and downgrades for ACMR from analysts
• ACMR’s stock price momentum as measured by its relative strength

About ACM Research, Inc. (ACMR)

Before we jump into ACM Research, Inc.’s stock price, history, target price and what caused it to recently dip, let’s take a look at some background.

ACM Research, Inc., together with its subsidiaries, develops, manufactures, and sells capital equipment worldwide. It also develops, manufactures, and sells a range of packaging tools to wafer assembly and packaging customers. The company provides Wet Cleaning Equipment for Front End Production Processes; Ultra C SAPS II and Ultra C SAPS V which are a single-wafer, serial-processing tool used to remove random defects from wafer surfaces or interconnects and barrier metals as part of the chip front-end fabrication process or for recycling test wafers; and Ultra C TEBO II and Ultra C TEBO V, a single-wafer, serial-processing tool used at numerous manufacturing processing steps for cleaning of chips at process nodes of 28nm or less. In addition, it offers Ultra-C Tahoe wafer cleaning tool that delivers high cleaning performance using significantly less sulfuric acid and hydrogen peroxide than is typically consumed by conventional high-temperature single-wafer cleaning tools; and advanced packaging tools, such as coaters, developers, photoresist strippers, scrubbers, wet etchers, and copper-plating tools. Further, the company provides e Ultra fn Furnace, a dry processing tool; Ultra Pmax™ PECVD tool, for film uniformity; Ultra Track tool, a 300mm process tool that delivers air downflow, robot handling, and customizable software to address specific customer requirements; and a suite of semi-critical cleaning systems which include single wafer back side cleaning, scrubber, and auto bench cleaning tools. It markets and sells its products under the SAPS, TEBO, ULTRA C, ULTRA Fn, Ultra ECP, Ultra ECP map, and Ultra ECP ap trademarks through direct sales force and third-party representatives. ACM Research, Inc. was incorporated in 1998 and is headquartered in Fremont, California.

Want to learn more about ACM Research, Inc.’s stock? Click the button below to subscribe to A+ Investor and get access to everything you need to know about ACM Research, Inc..

ACM Research, Inc.’s Stock Price as of Market Close

As of December 02, 2025, 1:45 PM, CST, ACM Research, Inc.’s stock price was $33.270.

ACM Research, Inc. is down 0.12% from its previous closing price of $33.310.

During the last market session, ACM Research, Inc.’s stock traded between $32.970 and $33.740. Currently, there are approximately 64.38 million shares outstanding for ACM Research, Inc..

ACM Research, Inc.’s price-earnings (P/E) ratio is currently at 19.4, which is low compared to the Semiconductors & Semiconductor Equipment industry median of 37.4. The price-earnings ratio gauges market expectation of future performance by relating a stock’s current share price to its earnings per share.

ACM Research, Inc. Stock Price History

ACM Research, Inc.’s (ACMR) price is currently down 0.42% so far this month.

During the month of December, ACM Research, Inc.’s stock price has reached a high of $33.900 and a low of $32.835.

Over the last year, ACM Research, Inc. has hit prices as high as $45.120 and as low as $13.870. Year to date, ACM Research, Inc.’s stock is up 120.33%.

Sign Up to Receive a Free Special Report Showing How A+ Grades Can Help You Make Smarter Investment Decisions

What Caused ACM Research, Inc. Stock’s Price to Dip?

Stock prices are primarily based on seller supply and buyer demand. But have you ever wondered about what other factors affect a stock's price?

When an analyst changes their opinion of a stock by upgrading or downgrading their rating, it often leads to a sudden stock price adjustment. As of December 01, 2025, there were 2 analysts who downgraded ACM Research, Inc.’s stock and 0 analysts who upgraded over the last month.

Additionally, you'll want to evaluate ACM Research, Inc.’s financial health and valuation. Investors can use AAII's Value Grade, which combines six key valuation metrics like P/E and P/S ratios for a comprehensive analysis to conduct analysis on ACM Research, Inc.’s valuation and financial health. This approach mitigates the limitations of single-metric evaluations.

ACM Research, Inc.’s current valuation based on AAII’s Value Grade is a C, which means it is considered to be Average.

Learn how to evaluate stocks with AAII Grades and Scores with A+ Investor today.

Lastly, news and media coverage as well as recent press reports about the company or its industry may cause stock prices to fluctuate. You can check out the most recent news articles about ACM Research, Inc. (ACMR) by visiting AAII Stock Evaluator.

Relative Price Strength of ACM Research, Inc.

Relative price strength measures a stock's performance against the market, helping investors identify stocks that are outperforming benchmarks.

For AAII’s Momentum Grade, a weighted relative price strength is calculated. Follow this link to learn more about the Momentum Grade.

As of December 01, 2025, ACM Research, Inc. has a weighted four-quarter relative price strength of 15.07%, which translates to a Momentum Score of 88 and is considered to be Very Strong.

Want to learn more about how ACM Research, Inc. is graded based on AAII’s composite scores for value, growth, quality and earnings estimate revisions? Subscribe to A+ Investor today.

ACM Research, Inc. Stock Price: Bottom Line

As of December 2, 2025, ACM Research, Inc.’s stock price is $33.270, which is down 0.12% from its previous closing price.

AAII advises against making stock decisions based solely on price or past returns. Instead, consider a variety of metrics, fundamentals, and analytics to evaluate a stock like ACM Research, Inc. stock prices are influenced by market supply and demand and offer just a snapshot of a company's overall health.

Subscribing to AAII's A+ Investor provides access to comprehensive analytics and insights for confident investing.