Casey's General Stores Set to Join S&P 500; DigitalOcean Holdings to Join S&P MidCap 400; Broadstone Net Lease to Join S&P SmallCap 600

S&P MidCap 400 constituent Casey's General Stores Inc. (NASD: CASY) will replace Hologic Inc. (NASD: HOLX) in the S&P 500, S&P SmallCap 600 constituent DigitalOcean Holdings Inc. (NYSE: DOCN) will replace Casey's General Stores in the S&P MidCap 400, and Broadstone Net Lease Inc. (NYSE: BNL) will replace DigitalOcean Holdings in the S&P SmallCap 600 effective prior to the opening of trading on Thursday, April 9. Affiliates of Blackstone Inc. and TPG Global are acquiring Hologic in a deal expecte