Pre-Market Gainers; Northgate Minerals Corporation up 48%

Northgate Minerals Corporation NXG +48.25% on the acquisition by AuRico Gold. Venoco, . VQ +31.96% on going private proposal by the CEO. Pandora Media P +7.38% - hearing positive comments by a mid-tier analyst firm. Taseko Mines Limited TGB +5.18% after the report that the Canadian authorities have approved the company's mining project.