Global Crossing

(GBLX)

was down 7.9% in preopen

Island

trading after CEO Leo Hindery resigned after just seven months on the job. Vice Chairman Thomas Casey was named to succeed him.

The communications network company also said it expects to meet or exceed its recently increased third-quarter and full-year earnings projections. Network and optical companies were broadly lower in the preopen after Tuesday's post-closing warning by

Lucent

TST Recommends

( LU).

Ciena

(CIEN) - Get Report

was down 8%, and

JDS Uniphase

(JDSU)

was down 6.9%.