Overview
- S&P Dow Jones Indices announced on July 2 that Datadog will replace Juniper Networks in the S&P 500 effective before trading opens on July 9
- Hewlett Packard Enterprise completed its $13.4 billion acquisition of Juniper Networks on July 2, creating a vacancy in the index
- Datadog shares climbed about 10% in premarket and after-hours trading as index-tracking funds prepare to rebalance portfolios
- With a market capitalization of $46.6 billion and Q1 2025 net income of $24.6 million on $761.6 million revenue, Datadog meets all S&P 500 eligibility requirements
- Inclusion in the benchmark typically triggers passive fund inflows that have driven 5–15% short-term gains for newly added stocks