Network equipment maker Ciena Corp forecast current-quarter revenue well above estimates and said it expected growth to continue into the second half of the year, driven by a widening customer base. “They have diversified into web 2.0, finance, education, healthcare and energy,” Dougherty & Company LLC analyst Catharine Trebnick said. “They are less concentrated around two top Tier 1 carriers, so their top 10 customers now generate 60 percent of the total revenue as opposed to 65 percent a year ago,” Trebnick added. ATT Inc and Verizon Communications Inc are Ciena’s top carrier customers.
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