CIENTechnologyCommunications Equipment
$272.24
Close on Nov 4, 2026
$38.6B
Ciena makes optical networking equipment that carries data over fiber for telecom and cloud companies.
As reported in the company's annual report (10-K).
Useful context, but not the main focus.
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Annual figures, fiscal years 2021-2025.
Financial figures come from company filings with the U.S. Securities and Exchange Commission (SEC). Latest filing used: September 3, 2026. Stock prices are end-of-day closing prices.