NEW YORK, Nov. 1, 2024 /PRNewswire/ -- Chewy Inc. (NYSE: CHWY) will replace Stericycle Inc. (NASD: SRCL) in the S&P MidCap 400 effective prior to the opening of trading on Wednesday, November 6. S&P 500 constituent Waste Management Inc. (NYSE: WM) is acquiring Stericycle in a deal expected to be completed 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 Na ...