About This ArticleSeptember 2011
The Chicago Fed National Activity Index was –0.43 in August, down from +0.02 in July.

Index Shows Economic Activity Weakened in August
Last Updated: 09/26/11
Led by declines in production- and employment-related indicators, the Chicago Fed National Activity Index decreased to –0.43 in August from +0.02 in July. Contributions from three of the four broad categories of indicators that make up the index declined from July, and three of the four were negative in August.