美国5月费城联储制造业指数 -4，预期-11，前值-26.4。

Core Insights - The Philadelphia Fed Manufacturing Index for May is reported at -4, which is better than the expected -11 but significantly improved from the previous value of -26.4 [1] Summary by Category Economic Indicators - The current reading of -4 indicates a contraction in manufacturing activity, but the improvement from the prior month's -26.4 suggests a potential stabilization in the sector [1] - The index's movement from a more negative value to a less negative one may signal a shift in economic conditions, warranting close monitoring [1]