Leighton profit up 63% to $450 million The directors of Leighton Holdings Limited today announced a 63% increase in operating profit after tax and minorities to $450.0m (versus $276.1m last year) from a pre-tax profit of $584.1m. The return on shareholders’ funds averaged 36.7% for the year (27.7% last year). view pdf (1.4Mb) >