美国9月纽约联储制造业指数为-8.7，预期5，前值11.9

Core Viewpoint - The New York Federal Reserve's manufacturing index for September is reported at -8.7, significantly below the expected value of 5 and a decrease from the previous value of 11.9 [1] Group 1 - The 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 month's index of 11.9 to -8.7 reflects a significant shift in economic conditions [1] - The expectation of a positive index value of 5 highlights a notable deviation from actual performance, indicating potential challenges ahead for manufacturers [1]