Benzinga's Top #PreMarket Gainers

shares surged 19.52 percent to $36.50 in pre-market trading after the company agreed to acquire Pace plc for $2.1 billion in stock and cash.

shares climbed 10.02 percent to $52.50 in pre-market trading after the company reported stronger-than-expected results for the first quarter and lifted its 2015 guidance.

shares gained 5.20 percent to $59.70 in the pre-market trading session after the company reported upbeat results for the first quarter.

gained 3.86 percent to $88.15 in pre-market trading after the company reported upbeat quarterly earnings and raised its FY earnings outlook.

shares rose 1.56 percent to $50.80 in pre-market trading after the company reported stronger-than-expected earnings for the first quarter.