美国两年期国债收益率短线跳水，逼近3.87%和平盘。金价维持超0.7%的跌幅，报3303美元。标普涨0.29%，纳指涨超0.5%。美联储宣布继续按兵不动

Group 1 - The two-year U.S. Treasury yield experienced a sharp decline, approaching 3.87% and near flatline [1] - Gold prices maintained a decline of over 0.7%, reported at $3303 [1] - The S&P 500 index rose by 0.29%, while the Nasdaq increased by over 0.5% [1] - The Federal Reserve announced to maintain its current monetary policy stance [1]