Perth climbs office growth ladder but glut is looming; BHP mining contractors facing the axe; Cash crisis for timber investors; JB Hi-Fi tips $2.3bn sales, 41pc jump; Unions split over watchdog

Perth climbs office growth ladder but glut is looming; BHP mining contractors facing the axe; Cash crisis for timber investors; JB Hi-Fi tips $2.3bn sales, 41pc jump; Unions split over watchdog