Flight Centre has lifted earnings guidance and says trading for the first seven months of 2011/12 are up between 20 and 22 per cent from the prior year.

The mining boom has propelled engineering firm Monadelphous's net profit to a record $57.5 million

Internet service provider iinet says recent acquisitions have lifted its broadband subscriber numbers to 860,000.

Downer EDI has posted an $84.9 million profit and has confirmed its expectations of solid gains in 2012.