Viavi Solutions Inc. reported preliminary fiscal fourth quarter and full-year results ended June 27, 2026. Q4 net revenue rose 52.5% year-over-year to $443.1 million, with non-GAAP diluted EPS of $0.34. Full-year net revenue reached $1.5 billion, up 40%, while full-year non-GAAP diluted EPS was $1.00. The company provided Q1 fiscal 2027 guidance of $450–$460 million in net revenue and non-GAAP EPS of $0.40–$0.42. Viavi Solutions Inc. operates in the test, measurement, and optical technologies industry.