NEW YORK, Sept. 22, 2025 /PRNewswire/ — ACM Research Inc. (NASD: ACMR) will replace WK Kellogg Co. (NYSE: KLG) in the S&P SmallCap 600 effective prior to the opening of trading on Friday, September 26. The Ferrero Group is acquiring WK Kellogg in a deal expected to close soon, pending final closing conditions.
Following is a summary of the changes that will take place prior to the open of trading on the effective date:
|
Effective Date |
Index Name |
Action |
Company Name |
Ticker |
GICS Sector |
|
|
Sept 26, 2025 |
S&P SmallCap 600 |
Addition |
ACM Research |
ACMR |
Information Technology |
|
|
Sept 26, 2025 |
S&P SmallCap 600 |
Deletion |
WK Kellogg |
KLG |
Consumer Staples |
|
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