Ciena Corporation (NYSE:CIEN) surged more than 6% intra-day on Thursday after reporting fiscal fourth-quarter results that beat Wall Street expectations, fueled by growing orders from cloud providers and expanding opportunities in AI infrastructure.

The company posted adjusted earnings of $0.91 per share for the quarter ended November 1, significantly exceeding the $0.77 consensus estimate. Revenue rose 20% year-over-year to $1.35 billion, ahead of the $1.29 billion expectation. Optical networking revenue increased to $929.2 million from $779.6 million last year.

Ciena issued a robust outlook, forecasting first-quarter fiscal 2026 revenue of $1.35 billion to $1.43 billion, above analyst estimates of $1.25 billion. For the full fiscal year, the company expects revenue of $5.7 billion to $6.1 billion, topping projections of $5.53 billion.

For fiscal 2025, Ciena reported total revenue of $4.77 billion, up from $4.01 billion in fiscal 2024, and adjusted earnings of $2.64 per share compared with $1.82 a year earlier.