PR Newswire · Press release
Chime Financial Set to Join S&P MidCap 400
AI summary
Summary by Wenlo · not part of the original release
S&P Dow Jones Indices announced that Chime Financial Inc. will join the S&P MidCap 400 prior to trading on Wednesday, November 18, 2026. Chime Financial will replace NorthWestern Energy Group Inc., which is being acquired by Black Hills Corp. The changes take effect following the merger.
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Original release from PR Newswire
As distributed by PR Newswire, unedited.
NEW YORK, Nov. 13, 2026 /PRNewswire/ -- Chime Financial Inc. (NASD: CHYM) will replace NorthWestern Energy Group Inc. (NASD: NWE) in the S&P MidCap 400 effective prior to the opening of trading on Wednesday, November 18. S&P MidCap 400 constituent Black Hills Corp. (NYSE: BKH) is acquiring NorthWestern Energy Group in a deal expected to be completed today. Post-merger, the combined company will remain in the S&P MidCap 400 and will be renamed Bright Horizon Energy Corp. (NYSE: HZN).
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 |
November 18, 2026 | S&P MidCap 400 | Addition | Chime Financial | CHYM | Financials |
November 18, 2026 | S&P MidCap 400 | Deletion | NorthWestern Energy Group | NWE | Utilities |
ABOUT S&P DOW JONES INDICES
S&P Dow Jones Indices is the largest global resource for essential index-based concepts, data and research, and home to iconic financial market indicators, such as the S&P 500® and the Dow Jones Industrial Average®. More assets are invested in products based on our indices than products based on indices from any other provider in the world. Since Charles Dow invented the first index in 1884, S&P DJI has been innovating and developing indices across the spectrum of asset classes helping to define the way investors measure and trade the markets.
S&P Dow Jones Indices is a division of S&P Global (NYSE: SPGI), which provides essential intelligence for individuals, companies, and governments to make decisions with confidence. For more information, visit www.spglobal.com/spdji/en/.
FOR MORE INFORMATION:
S&P Dow Jones Indices
index_services@spglobal.com
Media Inquiries
spdji.comms@spglobal.com
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SOURCE S&P Dow Jones Indices
