The Dodge Momentum Index fell 4% in November to 171.7 (2000=100) — down from the revised October reading of 178.1. The Momentum Index, issued by Dodge Construction Network, is a monthly measure of the initial report for nonresidential building projects in planning, which have been shown to lead construction spending for nonresidential buildings by a full year. In November, commercial planning fell 8% while institutional planning moved 5% higher.