1. Datadog will replace Juniper in the S&P 500 on July 9, 2025. 2. Hewlett Packard Enterprise acquired Juniper on July 2. 3. Juniper's removal could affect its market perception negatively. 4. S&P 500 changes often impact stock performance significantly. 5. Datadog's addition indicates a shift in investor interest towards cloud services.
Historical precedent shows that removal from major indices often results in negative price movement. For instance, companies like Macy's saw sharp declines upon removal from the S&P 500 in past years.
The news indicates a significant structural change that could lead to immediate share price depreciation. Index changes tend to have serious repercussions for companies considered less favorable post-removal.
Immediate market reactions can be anticipated as the effective date approaches. Removal may result in selling pressures from index funds that hold JNPR.
Datadog Inc. (NASD: DDOG) will replace Juniper Networks Inc. (NYSE: JNPR) in the S&P 500 effective prior to the opening of trading on Wednesday, July 9. S&P 500 constituent Hewlett Packard Enterprise Co. (NYSE: HPE) acquired Juniper Networks on July 2.
| Effective Date | Index Name | Action | Company Name | Ticker | GICS Sector |
|---|---|---|---|---|---|
| July 9, 2025 | S&P 500 | Addition | Datadog | DDOG | Information Technology |
| July 9, 2025 | S&P 500 | Deletion | Juniper Networks | JNPR | Information Technology |
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