Summary: ISM purchasing managers index (PMI) down; below consensus expectation; reading “still very expansionary”; supply side “key factor” behind decline, “momentum building”; implies US economy still growing at rapid pace. US purchasing managers' index (PMI) readings reached a cyclical peak in September 2017. They then started a downtrend which ended in March 2020 with a contraction in US manufacturing which lasted until June 2020. Subsequent month’s readings implied growth...