美国4月营建支出环比 -0.4%，预期 0.4%，前值 -0.5%。

Core Insights - The construction spending in the U.S. for April decreased by 0.4% month-over-month, which was below the expected increase of 0.4% and a slight improvement from the previous month's decline of 0.5% [1] Summary by Category - Construction Spending - April construction spending decreased by 0.4% compared to the previous month [1] - The expected change was an increase of 0.4% [1] - The prior month's construction spending was revised to a decline of 0.5% [1]