美国6月PPI同比增长2.3%，预估为2.5%，前值为2.6%；6月PPI环比持平，预估为0.2%，前值为0.1%。

Group 1 - The core point of the article indicates that the Producer Price Index (PPI) in the United States for June increased by 2.3% year-on-year, which is below the forecast of 2.5% and the previous value of 2.6% [1] - The month-on-month PPI for June remained unchanged, contrasting with the forecast of a 0.2% increase and the previous value of 0.1% [1]