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Evercore ISI Group：下调Ciena(CIEN.US)评级，由优于大市调整至大市同步评级。
Ciena（CIEN.US）公司简介：Ciena Corp. engages in the provision of network and communication infrastructure. It operates through the following segments: Networking Platforms, Platform Software and Services, Blue Planet Automation Software and Services, and Global Services. The Networking Platforms segment consists of Converged Packet Optical and Packet Networking portfolios. The Platform Software and Services segment provides analytics, data, and planning tools to assist customers in managing Ciena抯 Networking Platforms products in their networks. The Blue Planet Automation Software and Services segment enables customers to implement large-scale software and IT-led OSS transformations by transforming legacy networks into 搒ervice ready? networks. The Global Services segment offers a broad suite of value-added services. The company was founded by Patrick H. Nettles in November 1992 and is headquartered in Hanover, MD.
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