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StocksHigh Impact•13 February 2026•

1 min read

Arista Networks Surges Over 12% After Q4 Earnings Beat, Strong Outlook

Arista Networks (ANET) saw its stock surge over 12% in after-hours trading following the announcement of its fourth-quarter 2025 results. The company reported adjusted earnings per share of 82 cents and revenue of $2.49 billion, significantly surpassing analyst expectations. This robust performance was primarily driven by strong demand for networking solutions within the rapidly expanding artificial intelligence and data center sectors. Furthermore, Arista Networks provided an optimistic revenue forecast for the first quarter of 2026, reinforcing investor confidence. The impressive earnings beat and positive guidance indicate strong operational momentum, leading to a significant positive market reaction for ANET shares.