The numbers: The Empire State manufacturing index gave up most of the gains in April that it saw in the prior month, the New York Fed said Monday. The index slipped to a reading of 15.8 in April from 22.5 in March. The index is slightly above the 13.1 reading seen in February. The 6-month outlook fell 26 points to 18.3, its lowest level in two years. https://www.marketwatch.com/story/e...concerns-darken-longer-run-outlook-2018-04-16