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ALL
Market cap
$57.69B
EPS
3
P/E ratio
170.2
Price to sales
13.4
Dividend yield
--
Beta
1.273891
Previous close
$397.16
Today's open
$394.10
Day's range
$394.10 - $415.80
52 week range
$84.38 - $637.51
show more
CEO
Gary B. Smith
Employees
8657
Headquarters
Hanover, MD
Exchange
New York Stock Exchange
Shares outstanding
141552922
Issue type
Common Stock
Technology
Hardware & Equipment
4 Top-Performing Liquid Stocks to Boost Portfolio Returns
AGX, CIEN, HUBS and SMTC make the cut as the top liquid stocks, each boasting strong liquidity, growth attributes and operational efficiency.
Zacks Investment Research • Jul 23, 2026

Buy 3 Top-Ranked AI Giants on the Dip Amid Short-Term Price Upside
AI stock volatility has created discounts from 52-week highs. SNDK, WDC and CIEN stand out with strong growth drivers and upside potential.
Zacks Investment Research • Jul 22, 2026

Are Computer and Technology Stocks Lagging Ciena (CIEN) This Year?
Here is how Ciena (CIEN) and Arista Networks (ANET) have performed compared to their sector so far this year.
Zacks Investment Research • Jul 21, 2026

Ciena vs. Nokia: Which AI Networking Stock Is the Better Buy?
Ciena Corporation CIEN and Nokia NOK are benefiting from the rapid adoption of artificial intelligence (AI), which is driving strong demand for high-speed networking infrastructure. As hyperscalers and service providers expand AI deployments, both companies are strengthening their optical networking, routing and switching portfolios to support higher-capacity, low-latency connectivity.
Zacks Investment Research • Jul 16, 2026

Bet on 4 Cloud Computing Stocks to Hedge Against Volatile Markets
GOOGL, MSFT, AMZN and CIEN offer cloud exposure as AI demand, scalability and cost efficiency fuel long-term market growth.
Zacks Investment Research • Jul 14, 2026

Billionaires are loading up on these superior stocks. Why it pays to follow their money.
The second quarter was a six-year best for U.S. stocks — here are the three sectors poised to lead the next leg higher.
Market Watch • Jul 13, 2026

Why Ciena Stock More Than Doubled in the First Half of 2026
Shares of Ciena (CIEN 0.18%) rose 109.8% in the first half of 2026, according to data from S&P Global Market Intelligence. The networking equipment veteran more than doubled due to accelerating demand for optical networking infrastructure tied to artificial intelligence workloads.
The Motley Fool • Jul 10, 2026

Ciena Soars 495% in a Year: Should Investors Buy the Stock Now?
CIEN is riding the AI-driven optical networking demand, record revenue and a growing backlog. See what's fueling its outlook despite supply constraints.
Zacks Investment Research • Jul 10, 2026

10 stocks for momentum traders to consider buying — and 10 to avoid or sell short
These investments have a tendency to crash and burn
Market Watch • Jul 9, 2026

Bet on 4 Top-Performing Liquid Stocks to Maximize Portfolio Returns
AGX, CIEN, DDS and SMTC stand out as liquid, efficient stocks with growth potential, backed by solid ratios, asset use and recent revenue gains.
Zacks Investment Research • Jul 9, 2026

¹ Disclosures

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