Investing.com -- Ciena (NYSE:CIEN) saw its shares jump roughly 6% in premarket trading Tuesday after the networking systems and software company reported better-than-expected earnings and revenue for the fiscal first quarter of 2025.

The firm posted earnings per share (EPS) of $0.64, well ahead of analyst estimates of $0.42. Revenue climbed more than 3% year-over-year to $1.07 billion, just above the consensus estimate of $1.05 billion.

The company's Networking Platforms segment generated $821.2 million in revenue, up 1.7% year-over-year and surpassing the $800 million estimate. Within that, Converged Packet Optical revenue rose 4.6% to $728 million, exceeding the expected $723.1 million.

Adjusted gross margin came in at 44.7%, down from 45.7% a year earlier but ahead of the 42.1% forecast.

"We delivered strong fiscal first quarter results that reflect balanced growth and strong momentum across our customer segments and reinforce the continuation of positive demand dynamics," said Gary Smith, president and CEO of Ciena.

"As the global leader in high-speed connectivity, we are incredibly well positioned to benefit from the global investment in networks to scale for cloud and AI. As a result, we are very confident in our ability to deliver in fiscal year 2025 and beyond."

The company's management will host a live audio webcast at 8:30 am ET today to discuss the company's outlook with investors and analysts.

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