S&P Dow Jones Indices said late Wednesday that Domino's Pizza Inc. /zigman2/quotes/201587798/composite DPZ +3.32% will join the S&P 500 index /zigman2/quotes/210599714/realtime SPX +1.05% , replacing Capri Holdings Ltd. /zigman2/quotes/206301876/composite CPRI +3.09% . With the change, Store Capital Corp. /zigman2/quotes/204201694/composite STOR +3.17% will move to the S&P MidCap 400, S&P said. Additionally, DexCom Inc. /zigman2/quotes/201324608/composite DXCM -0.20% will replace Allergan Plc in the S&P 500, and S&P 500 constituent Salesforce.com /zigman2/quotes/200515854/composite CRM -0.93% will replace Allergan in the S&P 100, the company said. AbbVie Inc. /zigman2/quotes/202428675/composite ABBV -1.13% is buying Allergan in a deal expected to be completed soon. The changes are effective before the bell on May 12, S&P Dow Jones said.