美国10月费城联储制造业指数为-12.8，预期8.5，前值23.2

Core Point - The Philadelphia Federal Reserve's manufacturing index for October is reported at -12.8, significantly lower than the expected 8.5 and the previous value of 23.2 [1] Summary by Category - Economic Indicator - The October manufacturing index indicates a contraction in the manufacturing sector, as a negative value suggests a decline in activity [1] - The sharp drop from the previous value of 23.2 to -12.8 reflects a significant deterioration in manufacturing conditions [1] - The expectation of 8.5 was not met, indicating a larger-than-anticipated slowdown in the sector [1]