[CIEN] CIENA Corp.

$314.03-$40.13 (-11.33%)

Last updated at last close

Previous Close

$354.16

Volume

6.5M

Market Cap

$50.1B

Primary Exchange

NYSE

Market data powered by Intrinio

Major Drop · September 3, 2026

CIENA Corp. falls to $314.03, down 11.33%

CIENA Corp. traded at $314.03 during the September 3, 2026 session, a decline of $40.13 per share, or 11.33%, from the previous close of $354.16. The change corresponds to an estimated $5.7B decrease in market capitalization on reported volume of 6.5M shares. No verified cause for the movement had been publicly disclosed by the company or reported by primary sources as of publication. This summary is provided for informational purposes only and does not constitute investment, legal, or tax advice, or a solicitation to buy or sell any security. Price and volume figures are unaudited and sourced from Intrinio; market capitalization figures are estimates. Nothing in this summary asserts or implies any wrongdoing, misstatement, or violation of law by CIENA Corp. or any person.

Stock move

-11.33%

Per Share

$40.13

Market Cap Lost

$5.7B

Volume

6.5M

Data as of Sep 3, 4:00 PM EDT

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