TTM Technologies, Dutch Bros, Advanced Energy Industries, and American Healthcare REIT Set to Join S&P MidCap 400; Others to Join S&P SmallCap 600

NEW YORK, Jan. 27, 2026 /PRNewswire/ -- S&P Dow Jones Indices will make the following changes to the S&P MidCap 400, S&P SmallCap 600:

Following is a summary of the changes that will take place prior to the open of trading on the effective date:

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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.

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SOURCE S&P Dow Jones Indices