每經AI快訊，周(zhou)二(er)（3月(yue)18日），美債收(shou)(shou)益率(lv)(lv)普(pu)遍下跌，2年(nian)(nian)期(qi)(qi)美債收(shou)(shou)益率(lv)(lv)跌0.01個(ge)基(ji)(ji)點(dian)報(bao)4.0377%，3年(nian)(nian)期(qi)(qi)美債收(shou)(shou)益率(lv)(lv)跌0.84個(ge)基(ji)(ji)點(dian)報(bao)4.012%，5年(nian)(nian)期(qi)(qi)美債收(shou)(shou)益率(lv)(lv)跌1.4個(ge)基(ji)(ji)點(dian)報(bao)4.0735%，10年(nian)(nian)期(qi)(qi)美債收(shou)(shou)益率(lv)(lv)跌0.97個(ge)基(ji)(ji)點(dian)報(bao)4.2908%，30年(nian)(nian)期(qi)(qi)美債收(shou)(shou)益率(lv)(lv)跌0.67個(ge)基(ji)(ji)點(dian)報(bao)4.5881%。