美联储发布利率决议声明前，美元指数涨0.56%，暂报99.439点。美国10年期国债收益率涨幅收窄至不足2.8个基点，报4.3481%；两年期美债收益率涨1.6个基点，回落至3.89%下方。现货黄金跌0.76%，暂报3301美元。标普500指数涨0.23%，道指大致持平，纳指涨0.43%，生物科技指数涨1%，费城半导体指数涨1.2%，银行指数涨0.5%，罗素2000指数涨0.9%。

Group 1 - The US dollar index increased by 0.56%, currently at 99.439 points before the Federal Reserve's interest rate decision [1] - The yield on the 10-year US Treasury bond narrowed to less than 2.8 basis points, reported at 4.3481%, while the 2-year Treasury yield rose by 1.6 basis points, falling below 3.89% [1] Group 2 - Spot gold decreased by 0.76%, currently at $3301 [2] - The S&P 500 index rose by 0.23%, the Dow Jones remained roughly flat, the Nasdaq increased by 0.43%, the biotechnology index rose by 1%, the Philadelphia semiconductor index increased by 1.2%, the banking index rose by 0.5%, and the Russell 2000 index increased by 0.9% [2]