Domino's Pizza, DexCom to join S&P 500

S&P Dow Jones Indices said late Wednesday that Domino's Pizza Inc. will join the S&P 500 index , replacing Capri Holdings Ltd. . With the change, Store Capital Corp. will move to the S&P MidCap 400, S&P said. Additionally, DexCom Inc. will replace Allergan Plc in the S&P 500, and S&P 500 constituent Salesforce.com will replace Allergan in the S&P 100, the company said. AbbVie Inc. 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.

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