美国5月ISM非制造业PMI49.9，预期52，前值51.6

Core Insights - The ISM Non-Manufacturing PMI for May in the United States is reported at 49.9, which is below the expected 52 and the previous value of 51.6 [1] Economic Indicators - The current PMI reading of 49.9 indicates a contraction in the non-manufacturing sector, as it is below the neutral level of 50 [1] - The decline from the previous month's value of 51.6 suggests a weakening in economic activity within the services sector [1]