Ciena Corporation $(CIEN)$ is currently at $437.08, up $49.55 or 12.78%
--Would be highest close since July 14, 2026, when it closed at $446.93
--On pace for largest percent increase since Sept. 4, 2025, when it rose 23.31%
--Snaps a two day losing streak
--Up 15.92% month-to-date
--Up 86.89% year-to-date
--Down 58.23% from its all-time closing high of $1046.50 on Oct. 20, 2000
--Up 361.73% from 52 weeks ago (Aug. 13, 2025), when it closed at $94.66
--Down 30.29% from its 52-week closing high of $627.00 on June 2, 2026
--Up 404.47% from its 52-week closing low of $86.64 on Aug. 20, 2025
--Traded as high as $437.89; highest intraday level since July 15, 2026, when it hit $451.01
--Up 13% at today's intraday high; largest intraday percent increase since Sept. 4, 2025, when it rose as much as 28.66%
--Third best performer in the S&P 500 today
All data as of 11:57:16 AM ET
Source: Dow Jones Market Data, FactSet