Benzinga's Top Pre-Market Gainers

Pandora Media

shares jumped 6.45% to $22.76 in pre-market trading after the company appointed ex-aQuantive head Brian McAndrews as its new chief executive. ASML Holding NV

shares gained 2.20% to $91.40 in the pre-market session. Moody's assigned a Baa2 rating to ASML's proposed senior unsecured notes offering. Zynga

soared 1.33% to $3.04 in the pre-market trading. Zynga's trailing-twelve-month revenue is $1.12 billion. Groupon

surged 1.30% to 11.68 in the pre-market session. Morgan Groupon shares have jumped 142.23% over the past 52 weeks, while the S&P 500 index has gained 15.69% in the same period.