NEW YORK, May 13, 2026 /PRNewswire/ -- S&P Dow Jones Indices will make the following changes to the S&P MidCap 400, S&P SmallCap 600: SharkNinja (NYSE: SN) will replace Flowers Foods Inc. (NYSE: FLO) in the S&P MidCap 400, and Flowers Foods will replace CSG Systems Intl Inc. (NASD: CSGS) in the S&P SmallCap 600 effective prior to the opening of trading on Monday, May 18. NEC Corporation (TSE: 6701) is acquiring CSG Systems Intl in a deal expected to close soon, pending final closing conditions.









