Overnight the USD Index rose 0.04% to 101.47 and AUD/USD gained 0.52% to 0.7003, offering modest support to Australian exporters but failing to arrest declines in lithium carbonate which fell 0.68% to 145500 CNY/t and spodumene SC6 which slipped 0.71% to 2090 USD/t amid ongoing battery oversupply. No operational disruptions, export bans or demand shocks were recorded between July 26 evening and July 27 morning 2026, leaving price action driven by thin spot trading rather than fresh fundamentals. On the ASX, Rio Tinto faces residual exposure to any renewed Oyu Tolgoi logistics friction in Mongolia while producers with germanium or indium exposure such as Iluka Resources could see margin uplift if the 27.80% germanium and 26.50% indium spikes hold beyond low-volume sessions.