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Telecom equipment stocks trade lower after Adtran see Q4 revenue decline

Telecom equipment stocks traded lower at mid-day after Adtran (ADTN), which manufactures equipment for communications networks, said in a regulatory filing that its Q4 revenue may drop by a "teens" percentage sequentially. In early afternoon trading, Cisco (CSCO), Juniper (JNPR) and Tellabs (TLAB) are all well off their intra-day highs.