Benzinga's Top #PreMarket Gainers

Signet Jewelers

shares jumped 2.75% to $111.00 in pre-market trading after the company reported upbeat quarterly results. FireEye

jumped 2.11% to $30.07 in pre-market trading after gaining 1.87% on Wednesday. Workday

shares gained 1.77% to $91.90 in pre-market trading after the company reported a narrower-than-expected second-quarter loss and raised its FY14 sales outlook. The Dow Chemical Company

shares gained 1.14% to $54.25 in pre-market trading after jumping 1.02% on Wednesday.