重磅数据公布，美股期货瞬间拉高，黄金白银跳涨，美元指数下挫20点

Group 1 - The core inflation rate in the U.S. for December remained at 2.6%, matching the previous value but lower than the expected 2.7% [1] - Following the CPI data release, U.S. stock index futures rose sharply, with all major indices turning positive [2] - International gold and silver prices saw a quick increase, with spot gold rising by 0.34% and spot silver increasing by 2.5% [3][4] Group 2 - The U.S. dollar index experienced a short-term drop of 20 points, currently reported at 98.95, while non-U.S. currencies collectively strengthened [10] - The market is likely to view the December CPI data as a one-time disturbance, which may not significantly alter expectations for the Federal Reserve's interest rate cuts in 2026 [11]