美国第四季度GDP仅增长1.4%，远不及预期

Group 1 - The core point of the article is that the U.S. GDP growth for the fourth quarter was only 1.4%, significantly below the expected 2.5% [1][6] - For the entire year of 2025, the U.S. economic growth rate is projected to be 2.2%, a decrease from 2.8% in 2024 [2][7] Group 2 - Inflation remains high, with the core Personal Consumption Expenditures (PCE) price index rising by 3% year-on-year in December, aligning with market expectations but still above the Federal Reserve's 2% target [3][8] - The overall PCE price index increased by 2.9% year-on-year, exceeding expectations by 0.1 percentage points [4][9] - Both PCE indices rose by 0.4% month-on-month, surpassing the anticipated increase of 0.3% [5][10]