Led by declines in production-related indicators, the Chicago Fed National Activity Index (CFNAI) decreased to –0.13 in September from +0.05 in August. One of the four broad categories of indicators used to construct the index made a negative contribution in September, and one category deteriorated from August. The index’s three-month moving average, CFNAI-MA3, moved down to +0.25 in September from +0.38 in August.