美国5月ISM制造业新订单指数 47.6，前值 47.2。

Group 1 - The core point of the article is that the ISM Manufacturing New Orders Index for May in the United States is reported at 47.6, which is an increase from the previous value of 47.2 [1] Group 2 - The increase in the ISM Manufacturing New Orders Index indicates a slight improvement in manufacturing demand, although the index remains below the neutral level of 50, suggesting ongoing contraction in the sector [1]