Global TeleSystems

(GTS) - Get Report

was down 11.8% in early trading after

Deutsche Banc Alex. Brown

began coverage of it at market perform.

Robertson Stephens

had downgraded the stock on Wednesday. Deutsche Banc also began coverage of

Global Crossing

(GBLX)

with a strong buy and placed new buy ratings on

Flag Telecom

( FTHL),

Level 3

(LVLT)

and

TyCom

( TCM).