The AUD/USD rate tracks the price of the Australian dollar, the base currency, against the US dollar, the counter currency. The pairing is informally referred to as the Aussie. Monetary policy announcements of both the Reserve Bank of Australia and the US Federal Reserve will have an influence on this currency pair as well as the respective country's interest rates.
US stocks and the dollar decline as President Trump imposes new tariffs on key trading partners. Market uncertainty rises, while European equities gain.