Evaluating VIAV Stock for Your Portfolio Following Strong Q4 Performance

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Viavi Solutions Inc. (VIAV) reported a strong fiscal fourth quarter, concluding on July 1, 2026, with revenues of $443.1 million, a 52.5% year-over-year increase, surpassing the Zacks Consensus Estimate of $433 million. Adjusted earnings rose 161.5% to 34 cents per share, exceeding expectations of 30 cents. Over the past year, Viavi’s stock has surged 244.1%, outperforming the industry’s growth of 189.1%.

The company attributes its growth to robust demand in the AI data-center ecosystem and aerospace markets, with revenue from Network and Service Enablement (NSE) climbing 69.2% to $353.9 million. The aerospace and defense sector, driven by demand for positioning, navigation, and timing products, remains another significant growth driver. Management anticipates first-quarter fiscal 2027 revenues between $450 million and $460 million, indicating continued momentum.

Viavi’s acquisition of Spirent Communications has expanded its market reach and technological capabilities, expected to also contribute to a 10% sequential growth in the acquired business next quarter. The integration of advanced optical and network-testing capabilities is positioned to address the expanding testing demands from AI infrastructure and cloud networks.

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