360Networks

(TSIX)

was down 16.2% in late trading after hitting a 52-week low of $7.06.

The Vancouver-based optical network company postponed its fourth-quarter earnings release, due after the close today, because of the West Coast earthquake.

TST Recommends

The stock had been lower most of the day, but it plunged sharply as the postponement was announced about 3 p.m. EST. 360Networks said it will release its results Thursday.