ACM Research Joins S&P SmallCap 600 as Major Change Hits Index

Author: Dylan Bailey Updated: 09-22-2025 06:25 PM

ACM Research's Inclusion in the S&P SmallCap 600

ACM Research Inc. (NASDAQ: ACMR) is making headlines as it prepares to join the S&P SmallCap 600 Index. This is a significant milestone for the company as it replaces WK Kellogg Co. (NYSE: KLG) in the index. This move is due to the acquisition of WK Kellogg by the Ferrero Group, which is advancing toward a successful conclusion shortly. This change is set to take effect before trading opens on the designated date.

Details of the Index Change

The effective date for this transition is just around the corner. ACM Research is expected to bring new energy and innovation to the S&P SmallCap 600 market segment. Here’s a brief overview of the changes that investors need to note:

Effective Date: September 26, 2025

On this date, ACM Research will officially join the index, while WK Kellogg will be removed. The move highlights ACM Research's growing importance and recognition in the financial sector, reflecting its advancements and strong positioning in the market.

Index Information

ACM Research will become a part of the Information Technology sector within the S&P SmallCap 600 Index. As the company continues to innovate, its inclusion signifies a strong vote of confidence from the market. This addition aims to enhance the exposure and performance of the small-cap segment with ACM Research at the helm.

The Significance of This Transition

Such index changes are not merely administrative but carry great significance for investors and market participants alike. Inclusion in the S&P SmallCap 600 provides ACM Research with broader visibility and credibility in the marketplace. This recognition can lead to increased investor interest, potentially driving more investments and engagement with the company's innovative solutions.

About S&P Dow Jones Indices

S&P Dow Jones Indices is renowned as a leader in global index-based concepts, providing critical data and research that guide the investment community. With its establishment dating back to the creation of the first index by Charles Dow in 1884, S&P has maintained its commitment to innovation. Its indices are widely adopted, with greater assets invested in products tracking these indices than any other provider.

As a division of S&P Global (NYSE: SPGI), S&P Dow Jones Indices offers essential insights that empower individuals, corporations, and governments to make informed decisions. Their indices, including the iconic S&P 500 and the Dow Jones Industrial Average, continue to shape how the market is measured and analyzed.

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For further information related to S&P Dow Jones Indices, you can find relevant contact details. They are committed to assisting users with their inquiries and providing access to valuable insights that aid in navigating the financial landscape.

Frequently Asked Questions

What is the effective date for ACM Research's inclusion?

The effective date for ACM Research's addition to the S&P SmallCap 600 is September 26, 2025.

What will happen to WK Kellogg in this transition?

WK Kellogg will be removed from the S&P SmallCap 600 Index due to its acquisition by the Ferrero Group.

Why is ACM Research joining the S&P SmallCap 600?

ACM Research is joining the index as part of the ongoing evolution of the market, reflecting its growth and innovation in the Information Technology sector.

What does index inclusion mean for ACM Research?

Inclusion in the S&P SmallCap 600 can enhance ACM Research's visibility and attract more investor interest, potentially leading to increased investment.

Who manages S&P Dow Jones Indices?

S&P Dow Jones Indices is a division of S&P Global, focusing on innovative index solutions worldwide.

About The Author

My name is Dylan Bailey, and I am 28 years old. I am an author and an expert on the stock market who specializes in publicly traded companies. Early fascination with the stock market inspired me to seek a finance degree and then delve deeply into the world of stocks. I have developed over the years my abilities to spot investment prospects, assess business performance, and analyze market trends.

My books and articles try to help regular investors understand the nuances of the stock market. Anyone can, in my opinion, make wise investment choices and succeed financially if they have the correct information and resources. In my writing, I combine in-depth research with practical insights and advice that can be put into action. This is done with the intention of assisting readers in navigating the constantly shifting landscape of publicly traded companies.

In addition to writing, I also host webinars and workshops, where I give presentations and share my knowledge with a wider audience. I also write for top financial journals and show up as a guest analyst on financial news shows. I like to travel, spend time with my family, and keep active by playing different sports when I'm not buried in market research.

My goal is to enable people to choose wisely and consciously in their investments, so taking charge of their financial futures. By my work, I hope to create a community of informed and self-assured investors prepared to take advantage of the chances presented by the stock market.

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