美国PMI所有主要成分低于50荣枯线，两年多来首次。芝加哥PMI变化已经到了衰退水平。在此水平，只有80/90年代中期因降息而避开衰退。 PMI BELOW 50, 1ST in >2yrs. Chicago PMI change already at recession level. Only mid 80/90 was recession avoided when PMI at such levels ‘cos rate cuts.