ASX futures pointed to a 0.9 per cent fall to 8,934 points at 7:30am AEST, following Tuesday's modest 0.1 per cent decline on the ASX 200. The Australian dollar slipped 0.3 per cent to 71.5 US cents.
On Wall Street, the Dow Jones fell 0.8 per cent, the S&P 500 lost 0.7 per cent and the Nasdaq Composite dropped 1 per cent. European indexes also closed lower, with the DAX down 1.1 per cent and the Stoxx 600 losing 0.6 per cent.
Brent crude futures surged 5.2 per cent to $US95.15 a barrel, the highest in two months, as markets priced in heightened geopolitical risk. Spot gold fell 2.7 per cent to $US4,329 an ounce. Bitcoin declined 1.5 per cent to $US77,410.
Separately, a new report from the Powering Skills Organisation (PSO), a government-established jobs and skills commission, warns that the artificial intelligence boom is worsening an already tight labour market. Australia lacks enough workers to build both housing and data centres, the report says, and competition for skilled labour has accelerated. The report was released on Wednesday.
In a column published by the ABC, journalist Gareth Hutchens interviewed US author and journalist Gil Durán, who argues in his book The Nerd Reich: Silicon Valley Fascism and the War on Democracy that many tech billionaires seek to usher in a post-democracy era where they control their own pockets of society.