Ciena Corp (NYSE:CIEN) stock gave up its Thursday gains despite Wall Street analysts boosting their price forecasts on the stock.It delivered a standout fourth-quarter result and issued upbeat guidance that points to accelerating growth in 2026.Rosenblatt analyst Mike Genovese maintained Ciena with a Buy rating and raised the price forecast from $175 to$305.Also Read: AI Demand Fuels Ciena Growth, CEO Sees Strong 2026 MomentumStrong Q4 Performance And Expanding BacklogGenovese said Ciena closed fiscal four ...