Sky News Business Weekend | 13 September 1 day ago The News Room Australian shares plunge to a three month low after Brent crude oil prices surge above $US100 a barrel, the ATO’s new tax on software revenue targets big US tech firms. Plus, Metacognition joins the global AI race. Post navigation Previous Modi secures consensus among Middle East rivals at BRICS summit | ABC NEWSNext Queensland woman dies in Bali cliff fall