Chicago ISM Manufacturing Index Fell to 45.8 from 59.4

A welder at a trailer manufacturing facility in Portland, Oregon on Feb. 18, 2015.

Photographer: Meg Roussos/Bloomberg

The Institute for Supply Management-Chicago Inc.’s business barometer decreased to 45.8 in January from 59.4 the prior month, according to a report today. Readings greater than 50 signal growth.

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