About This ArticleSeptember 2012
The Chicago Fed National Activity Index was –0.87 in August, down from –0.12 in July.

Index Shows Economic Activity Weakened in August
Last Updated: 09/24/12
Led by declines in production-related indicators, the Chicago Fed National Activity Index (CFNAI) decreased to –0.87 in August from –0.12 in July. All four broad categories of indicators that make up the index deteriorated from July, with each making a negative contribution to the index in August.