Benzinga's Top #PreMarket Gainers

Prana Biotechnology

jumped 26.17% to $2.70 in pre-market trading as the company received the FDA Orphan Designation for the Huntington disease treatment. Infoblox

shares surged 10.53% to $15.01 in pre-market trading after the company reported upbeat results for the fiscal fourth quarter. TASER International

jumped 5.87% to $18.58 in pre-market trading after gaining 4.84% on Thursday. Ambarella

shares gained 5.81% to $37.85 in pre-market trading on upbeat quarterly results. El Pollo Loco Holdings

shares gained 4.05% to $36.20 in pre-market trading after the company reported stronger-than-expected fiscal second-quarter earnings.