美国9月核心CPI环比增长0.2%，为三个月来最慢增速，美联储年内再次降息预期升温

Core Insights - The U.S. Consumer Price Index (CPI) for September increased by 3% year-over-year, which was below the expected 3.1% and higher than the previous month's 2.9% [4][6] - Core CPI rose by 0.2% month-over-month, the slowest growth in three months, and below the market expectation of 0.3% [3][6] - The data reinforces market expectations that the Federal Reserve will continue to lower interest rates within the year, clearing the way for the upcoming rate decision [6][14] Inflation Trends - The overall CPI increase was primarily driven by rising energy costs, with clothing prices rising by 0.7%, likely reflecting higher tariffs [6] - Service sector inflation showed signs of slowing, reaching its weakest level since November 2021, partially offsetting the pressure from rising energy prices [7] - Core inflation indicators are showing clearer signs of cooling, with the core CPI year-over-year growth decreasing from 3.1% in August to 3.0% in September, marking the lowest level since June [9] Specific Data Points - The "SuperCore CPI," which excludes housing from service sector inflation, also saw a slowdown, with a year-over-year growth rate of 3.30%, the lowest since May [9] - Transportation costs experienced a sharp slowdown, further contributing to the overall decline in inflation levels [11] - Goods inflation remained stable at an annual rate of 1.5%, with no significant tariff-driven inflationary pressures observed in the three and six-month annualized data [12] Market Reaction - Following the release of the CPI data, U.S. stock index futures saw a short-term increase, with Nasdaq futures rising nearly 1% [13] - U.S. Treasury yields fell sharply, with the 10-year Treasury yield dropping over 2 basis points to 3.978% [13] - The CPI report provided strong support for the market's expectation of two additional 25 basis point rate cuts by the end of the year [14]