Ciena Corp (NYSE:CIEN) stock is on the rise today, up 4.2% at 61.18atlastglance,afterararedoubleupgradefromCitigroup.Thefirmraiseditsratingto"buy"from"sell,"withaprice−targethiketo68 from 44,asanalystsgrowincreasinglyoptimistictowardthenetworkingstockanditsgrowthpotential.Today′spophasCIENbreakingaboverecentpressureatthe59 region, and nearing its Mar. 4 record high of $63.24. Since the start of 2024, the equity is up more than 36%. Of the 17 analysts in c ...