Benzinga's Top #PreMarket Gainers

gained 9.61 percent to $17.00 in pre-market trading after the company confirmed that its strategic collaboration with

is effective and Biogen's equity investment has closed.

shares rose 8.46 percent to $25.50 in pre-market trading after the company reported better-than-expected earnings for its second quarter and lifted its FY16 earnings forecast.

shares climbed 6.28 percent to $31.65 in pre-market trading after the company reported stronger-than-expected earnings for its fiscal first quarter and issued a strong forecast for the current quarter.

shares rose 2.90 percent to $65.02 in pre-market trading. Gold futures gained 0.97 percent to $1,138.80 an ounce.

shares rose 2.81 percent to $78.57 in pre-market trading after the company reported upbeat Q4 results.