“Extremely encouraging” is how National Lighting Bureau Executive Director John Bachner characterized 2Q13 performance of the NEMA Lighting Systems Index (LSI), which posted its strongest showing since the 3Q08. “The quarter-to-quarter (QOQ) increase was 2.4 percent; not earth-shattering, to be sure, but it was the third consecutive quarterly increase, and represents an almost-5 percent increase in lighting-equipment shipments on a year-over-year (YOY) basis.