AI Data Insight
The latest data shows that the annualized quarter-over-quarter growth rate of U.S. nominal domestic private fixed investment reached 4.5% in the third quarter of 2026, accelerating significantly from 3.6% in the previous quarter. This robust increase primarily benefited from a massive wave of corporate equipment procurement for AI infrastructure, which not only offset the negative impact of high interest rates on residential investment but also became the key engine supporting the overall U.S. economy to surpass market expectations.