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Ciena ( CIEN) stock fell hard on Thursday after the optical gear maker's fiscal second-quarter earnings and revenue modestly beat consensus estimates amid big share gains in 2026. The company's July quarter revenue guidance came in slightly above expectations.
On the stock market today, Ciena stock fell nearly 9% to near 556 in morning trading, signaling at least a test of its 21-day exponential moving average. Shares had advanced about 168% this year as of Wednesday's market close.
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Why More Towns Are Saying 'No, Thanks' To Data Centers
NOW PLAYINGWhy More Towns Are Saying 'No, Thanks' To Data Centers
Several other optical stocks retreated Thursday morning, including Lumentum ( LITE) and Corning ( GLW).
For the quarter ending April 30, Ciena earnings rose 290% to $1.64 per share on an adjusted basis. Boosted by data center orders, revenue increased 40% to $1.57 billion, the third straight quarter of accelerating growth.
Analysts expected the Hanover, Md.-based maker of optical communications gear to post earnings of $1.46 per share on sales of $1.507 billion.
For fiscal Q3, the company forecast revenue of $1.625 billion at the midpoint of guidance vs. estimates of $1.553 billion. The company raised fiscal year 2026 sales guidance to $6.3 billion, a 32% increase.
Ciena's fiber optics gear is built into telecom networks and hyperscale data centers operated by internet giants. Telecom customers have been ordering less network gear. But companies like Meta Platforms ( META) are building new data centers for artificial intelligence computing.
Ciena Stock Technical Ratings
Heading into the Ciena earnings report, the company owned an IBD Composite Rating of 96 out of a best-possible 99, according to IBD Stock Checkup. IBD's Composite Rating combines five separate proprietary ratings into one easy-to-use rating. The best growth stocks have a Composite Rating of 90 or better.
universal chart
Ciena(CIEN)
$495.37
125.00
20.15%
(left-click to pin tooltip)(right-click to deleteright-click to manage)(long-press to drag)(drag to change anchor time)
CIEN
Date2025-08-29
High97.55
Low93.47
Last93.97
Chg-3.92
Vol2,230,701
volume
Provided by Nasdaq Last Sale.
Last update: 10:49AM EST 06/04/2026
Real-time quote and/or trade prices are not sourced from all markets.
(Market Close)
Ciena stock holds an Accumulation/Distribution Rating of D. That rating analyzes price and volume changes in a stock over the past 13 weeks of trading. A+ signifies heavy institutional buying; E means heavy selling. Think of a C grade as neutral.
If you're new to IBD, consider taking a look at its trading system, especially for bull and bear markets, the basics of technical analysis and recognizing base patterns. IBD offers a broad range of growth stock lists.
Follow Reinhardt Krause on Twitter @reinhardtk_tech for updates on artificial intelligence, cybersecurity and cloud computing.
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