Jardine Matheson, an investment company headquartered in Hong Kong, announced on Monday the A$3.4 billion (US$2.4 billion) acquisition of the entire stake of an Australian diagnostic and teleradiology group. The acquisition of I-MED Radiology Network, which spans 215 diagnostic imaging clinics across metropolitan and regional communities in Australia and New Zealand, is one of Jardine Matheson’s largest in recent years, following its full takeover of the luxury hotel unit Mandarin Oriental in a.