Investors Take a Shine to Ciena

Shares of the optical networking equipment company jumped Thursday after it swung to a profit on a surge in revenues in the second quarter

Rising demand for digital bandwidth -- and telecom providers' scramble to upgrade their delivery systems -- means good times for Ciena (CIEN). The Linthicum (Md.)-based maker of equipment used to increase the capacity of fiber optic networks announced on May 31 that it swung to a profit in its fiscal second quarter from a year-earlier loss on a jump in revenue.

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