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Ciena is a telecommunications equipment provider focused on optical transport technologies, with clients in a number of industries such as communication services providers, web-scale providers, cable operators, government, and large enterprises worldwide. The company provides equipment, software, and services that support transport, switching, aggregation, service delivery, and data traffic management.
Vornado owns and has an ownership interest in Class A office and retail properties highly concentrated in Manhattan, with additional properties in San Francisco and Chicago. It operates as a real estate investment trust.