US yield curve inversion has preceded ISM index dropping below 50 (economic contraction) on 7 out of 7 times since 1977

US yield curve inversion has preceded ISM index dropping below 50 (economic contraction) on 7 out of 7 times since 1977 pic.twitter.com/sVFozkha23

— zerohedge (@zerohedge) April 20, 2018