Telecommunications equipmentmaker

Antec

(ANTC)

fell 42.3% in preopen

Island

trading after saying it was told by

AT&T's

(T) - Get Report

broadband division to hold pending orders past Jan. 1.

Antec said the said the development would have an adverse impact on revenue and earnings. AT&T, a significant Antec customer, made the move for budget-balancing reasons.