Benzinga's Top #PreMarket Gainers

Lakeland Industries LAKE shares jumped 9.59% to $19.42 in pre-market trading after gaining 52.50% on Thursday. Alpha Pro Tech APT shares climbed 25% to $6.05 in pre-market trading after rising 27.70% on Thursday. Isis Pharmaceuticals ISIS shares jumped 3.46% to $38.54 in pre-market trading after the company reported encouraging data from ISIS-SMN Rx Phase 2 studies in infants and children with SMA at World Muscle Society. Cyber-Ark Software CYBR shares rose 2.30% to $28.85 in pre-market trading after falling 4.02%Thursday. CyberArk Software is expected to report its third quarter financial results on November 12, 2014.