Private business investment also jumped by 6 per cent in the March quarter, driven by a 30-year-high increase in machinery and equipment, much of which is used to build data centres.

Business investment growth hit 6.5 per cent in the March quarter – a rate last seen in the mining boom – far exceeding expectations of about 1 per cent.

The Australian sharemarket powered ahead after weaker-than-expected GDP growth boosted optimism for an interest rate reprieve from the Reserve Bank.

Australia's economy grew at an annual rate of 2.5 per cent in the March quarter, the same as in the previous quarter.

New data released by the ABS showed Australia’s economy was already slowing before being hit by the fallout from the Middle East war and interest rate increases.

Private business investment also jumped by 6 per cent in the March quarter, driven by a 30-year-high increase in machinery and equipment, much of which is used to build data…

Private business investment jumped by 6 per cent in the March quarter, driven by a 30-year-high increase in machinery and equipment, much of which is used to build data centres.

The staggering $8.7 billion data-centre boom is keeping Australia’s head above water, but beneath it lies a painful reality that could become even worse.

The economy grew just 0.3 per cent in the first quarter, gross domestic product per capita went backwards, and interest rate rises and cost-of-living pressures are weighing on…