Benzinga's Top Pre-Market Gainers

Michael Kors Holdings Ltd

surged 13.41% to $43.30 in the pre-market session. Michael Kors reported a rise in its fourth-quarter profit. BioMarin Pharmaceutical Inc

added 7.04% to $38.16 in the pre-market session. BMRN's trailing-twelve-month revenue is $448.55 million. Arena Pharmaceuticals Inc

moved up 2.47% to $7.25 in the pre-market session. ARNA shares have surged 444.62% over the past 52 weeks, while the S&P 500 index has gained 1.64% in the same period. Juniper Networks Inc

soared 2.13% to $16.75 in the pre-market trading. Juniper Networks approved a plan to buy back up to $1 billion of its own stock.