The Dodge Momentum Index increased 3.1% in January to 139.4 from the revised December reading of 135.2. The Momentum Index, issued by Dodge Data & Analytics, is a monthly measure of the first (or initial) report for nonresidential building projects in planning, which have been shown to lead construction spending for nonresidential buildings by a full year. The commercial component of the index moved 9.9% higher, offsetting an 11.7% decrease in the institutional component.