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HID Lamp Indexes Continue to Slide During Fourth Quarter

NEMA’s shipment indexes for HID lamps continued to decline during 2013Q4. Shipments of sodium vapor lamps fell 5.7 percent (32.3% market share) on a seasonally adjusted basis compared to the previous quarter. Metal halide lamps (63.7% market share) contracted for the seventh consecutive quarter declining 3.6 percent on a quarterly basis. Following suit, the index for mercury vapor lamps (4.0% market share) dipped 5.6 percent. Calendar year 2013 showed decreases of 6.1 percent and 7.0 percent for sodium vapor and metal halide lamps, respectively.