Benzinga's Top Pre-Market NASDAQ Gainers (XNPT, ZAGG, BBBY, BLUD)

XenoPort Inc XNPT added 70.85% to $10.90 in the pre-market session. GlaxoSmithKline Plc GSK and XNPT received approval from the US Food and Drug Administration (FDA) for Horizant. ZAGG Incorporated ZAGG moved up 11.66% to $9.10 in the pre-market session. ZAGG signed an exclusive master license and distribution agreement with Logitech. Bed Bath & Beyond Inc BBBY rose 10.24% to $54.45 in the pre-market session. BBBY reported upbeat Q4 earnings. Immucor Inc BLUD soared 7.56% to $21.49 in the pre-market trading. BLUD reported upbeat Q3 results. Read more from Benzinga's Markets.