Benzinga’s Top Pre-Market NASDAQ Gainers (ISLN, AVII, WCRX, HAUP)

Isilon Systems Inc ISLN rose 7.68% to $19.20 in the pre-market session. ISLN’s shares jumped 264.62% over the past 52 weeks, while the S&P 500 index has gained 4.44% in the same period. AVI BioPharma Inc AVII added 6.86% to $2.18 in pre-market trading. AVII has reported that its drug, AVI-6003 has protected about 90% of monkeys against Ebola and 100% of monkeys against Marburg. Warner Chilcott Plc WCRX moved up 5.09% to $29.55 in pre-market trading. WCRX had announced a special dividend of $8.50 per share. Hauppauge Digital Inc HAUP gained 4.67% to $3.14 in the pre-market session. HAUP swung to profit in the fiscal third quarter. Read more from Benzinga's Company news.