Ciena (CIEND) completed its planned 1-for-7 reverse split.

The Linthicum, Md., optical networking gear maker said its shares will trade on a split-adjusted basis Monday. For the next 20 trading days or so, Nasdaq will append a "D" to Ciena's stock symbol in order to inform the investment community of the reverse stock split, Ciena said.

The news comes less than a week after

JDSU

(JDSU)

said it would do a 1-for-8 reverse split next month.