NEMA’s Lighting Systems Index (LSI) ticked 0.9% higher on a quarter-to-quarter basis during 2010Q3. On a year-over-year basis, the index showed a 5.6% gain compared to the third quarter of 2009. Although the LSI has trended higher since hitting a cyclical (and all-time) low during the second quarter of 2009, aggregate lighting equipment demand remains [...]