NEMA’s Lighting Systems Shipments Index, a measure of demand for lighting equipment, decreased 2.6% quarter-to-quarter while posting a 0.1 percent increase year-over-year during 2015Q4. Fixtures, emergency lighting, and miniature lamp, components of the index, gained ground on a year-over-year basis, while ballast and large lamp, components recorded year-over-year declines. www.nema.org