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CIEN
NYSE Technology

Ciena Shares Plunge 18-19% Despite 40% Q2 Revenue Growth to $1.57B

Tom Rudovsky · Reported by Wiseek News
More coverage: Communication Equipment Stocks · Technology
Sentiment info
Negative
Importance info
9
Price
$528.28
Mkt Cap
$75.737B
52W Low
$70.77
52W High
$637.51
52W Position info
646% above low
Off High info
17% below high
Rel. Volume info
2.8× avg
Market data snapshot near publication time

CIEN has more than doubled off its 52-week low of $70.77 on elevated volume (2.8× avg).

Summary

Ciena reported Q2 revenue up 40% year-over-year to $1.57 billion, with adjusted EPS of $1.64 and raised its full-year 2026 revenue guidance to $6.3 billion. Despite these strong top-line figures, the company's shares dropped 18-19% following the announcement. This significant market reaction, the largest one-day drop since January 2025, indicates that the results or guidance fell substantially short of investor expectations, leading to a major re-evaluation of the company's outlook.

At the time of this announcement, CIEN was trading at $528.28 on NYSE in the Technology sector, with a market capitalization of approximately $75.7B. The 52-week trading range was $70.77 to $637.51. This news item was assessed with negative market sentiment and an importance score of 9 out of 10. Source: Wiseek News.


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CIEN - Latest Insights

CIEN
Sep 03, 2026, 3:57 PM EDT
Filing Type: 10-Q
Importance Score:
8
Price at Filing: $315.14
Real-time Price: $348.90 info
Change: +$33.76 (+11%) info
Market Cap: $49.568B info
CIEN
Sep 03, 2026, 7:07 AM EDT
Filing Type: 8-K
Importance Score:
8
Price at Filing: $369.01
Real-time Price: $348.90 info
Change: -$20.11 (-5%) info
Market Cap: $49.568B info
CIEN
Sep 03, 2026, 7:01 AM EDT
Source: Dow Jones Newswires
Importance Score:
8
Price at Filing: $342.00
Real-time Price: $348.90 info
Change: +$6.90 (+2%) info
Market Cap: $49.568B info
CIEN
Aug 05, 2026, 9:00 AM EDT
Source: BusinessWire
Importance Score:
7
Price at Filing: $408.33
Real-time Price: $348.90 info
Change: -$59.43 (-15%) info
Market Cap: $49.568B info
CIEN
Jun 11, 2026, 4:21 PM EDT
Filing Type: 8-K
Importance Score:
8
Price at Filing: $448.75
Real-time Price: $348.90 info
Change: -$99.85 (-22%) info
Market Cap: $49.568B info