两年期美债收益率跌幅扩大至约24个基点，延续美国非农就业报告发布之后的跌势

Group 1 - The 10-year U.S. Treasury yield fell nearly 15 basis points, reaching a daily low of 4.2237%, after briefly rising to a daily high of 4.4060% just ten minutes before the U.S. non-farm payroll report was released [1] - The 2-year Treasury yield dropped approximately 24 basis points, hitting a daily low of 3.7124%, and remained around the 3.95% level prior to the non-farm payroll report [1] - The U.S. dollar index decreased by 1.2%, settling at 98.67 points [1] Group 2 - The S&P 500 index experienced a decline of 1.74%, while the Dow Jones dropped 684 points, reflecting a 1.54% decrease [1] - The Nasdaq fell by 495 points, marking a 2.34% drop, and the Philadelphia Semiconductor index decreased by 3.13% [1] - The Russell 2000 index also saw a decline of 2.39% [1]