Chicago PMI
Midwest Industrial Engine Stalls: Chicago PMI Plummets to 45.4 in Sudden March Contraction
The Midwest manufacturing sector, long considered the industrial heartbeat of the United States, suffered a stunning reversal in March 2026. The Chicago Business Barometer, commonly known as the Chicago PMI, collapsed to a reading of 45.4 this month, down sharply from February’s multi-year high of 57.7. This