Zenith Electronics Corp has reported fourth quarter net losses of $25.5m, down from losses last time of $27.3m that were after a $31.3m loss on the disposal of Zenith Data Systems, on turnover that fell 14.8% at $377.8m; net profits of $63.3m were reported for the year to December 31, against $68.4m losses, on turnover that fell 9.0% at $1,409.9m.