Why Is Arista Networks (ANET) Up 9.8% Since Last Earnings Report?

Arista Networks (ANET) has gained 9.8% since its last earnings report, outperforming the S&P 500, driven by upward trending fresh estimates, with the consensus estimate shifting 11.56% in the past month. The stock has a Zacks Rank #2 (Buy), indicating expectations of above-average returns in the coming months. In comparison, industry peer Snap (SNAP) gained 3.9% over the past month, with revenues of $1.36 billion (+14.1% year-over-year) and EPS of $0.04 in the quarter ended March 2025.

Analysis

Arista Networks (ANET) has demonstrated strong performance, with its shares appreciating 9.8% since its last earnings report, thereby outperforming the S&P 500. This upward trajectory is significantly supported by positive revisions in earnings estimates; the consensus estimate has increased by 11.56% over the past month. Reflecting this optimistic outlook, Arista Networks holds a Zacks Rank #2 (Buy), suggesting expectations for above-average returns in the near term. While the company exhibits a favorable Growth Score of B, its Momentum Score is a C, and it scores a D on Value, placing it in the bottom 40% for that investment style, contributing to an overall aggregate VGM Score of C. In comparison, Snap (SNAP), an industry peer within the Zacks Internet - Software sector, registered a 3.9% share price gain over the past month. Snap reported revenues of $1.36 billion for the quarter ended March 2025, a 14.1% year-over-year increase, and an EPS of $0.04, up from $0.03 in the prior year. However, Snap's outlook for the current quarter anticipates break-even earnings per share, a 100% decrease year-over-year, and its Zacks Consensus Estimate has declined by 2.4% in the last 30 days, leading to a Zacks Rank #3 (Hold) and a VGM Score of C.

Key Decisions for Investors

• Given Arista Networks' positive estimate revisions, recent outperformance, and Zacks Buy rating, investors might consider the stock attractive, though the weak Value score (D) warrants caution regarding its current valuation.
• Investors should closely monitor the trend in Arista Networks' earnings estimates and upcoming earnings releases, as these have been primary drivers of its recent stock performance.
• For Snap, the combination of recent revenue growth contrasted with a negative earnings outlook for the current quarter and downward estimate revisions suggests a neutral stance; investors may prefer to await more consistent positive signals before increasing exposure.