美国12月PPI同比3%超预期，核心PPI环比上涨0.7%，服务成本大幅攀升

Core Insights - The Producer Price Index (PPI) for December increased by 0.5% month-on-month, marking the largest rise in three months, with core metrics also reaching a yearly high, exceeding market expectations [1][4] - Companies are continuing to pass on cost pressures through supply chains, further elevating terminal inflation levels [1] Price Trends - Service costs have significantly risen, with trade profit margins experiencing the highest month-on-month increase since mid-2024, driven mainly by wholesale machinery and equipment [1] - While overall commodity prices remained flat due to declining energy prices, core commodity prices are accelerating, particularly in categories such as household appliances, construction machinery, industrial chemicals, and light trucks [1][2] Monetary Policy Implications - The PPI components will directly influence the Federal Reserve's preferred inflation measure, the Personal Consumption Expenditures (PCE) price index, potentially affecting future interest rate decisions [1][3] - Following three consecutive rate cuts by the Federal Reserve by the end of 2025, the decision to pause further cuts was made based on stable economic activity and signs of labor market stabilization [3] - Despite earlier data showing a lower-than-expected increase in the core Consumer Price Index (CPI) for December, the latest PPI data indicates that wholesale price pressures may still be accumulating and could transmit to consumer levels, impacting the Fed's policy path [3]