美国12月商业活动增速降至半年来最低点

Group 1 - The core point of the article indicates that U.S. business activity growth has slowed down in December, reaching its lowest level since June of this year, with declines in new orders for both manufacturing and services sectors, suggesting a weakening economic momentum [4]. Group 2 - The preliminary composite Purchasing Managers' Index (PMI) from S&P Global fell from 54.2 in November to 53.0 in December, marking a six-month low but still above the expansion threshold of 50 [4]. - New business growth has reached its lowest level in nearly 20 months, with new orders for goods experiencing a decline for the first time in a year [4]. Group 3 - The services sector PMI, which accounts for about two-thirds of U.S. economic output, dropped to 52.9, also a six-month low, while the manufacturing PMI fell to 51.8, the lowest since July, both below economists' expectations [4]. - Chris Williamson, Chief Business Economist at S&P Global, stated that the December PMI preliminary data indicates a weakening economic growth momentum, particularly with a noticeable slowdown in new orders ahead of the holiday season, suggesting that economic activity may further soften entering 2026 [4].