Benzinga's Top Pre-Market Gainers

Apache

surged 15% to $99.90 in the pre-market session. Apache's trailing-twelve-month operating margin is 46.47%. Orexigen Therapeutics

moved up 11.38% to $6.85 in the pre-market session. Orexigen Therapeutics received a response to a formal dispute resolution request from the US FDA's Center for Drug Evaluation and Research. Red Hat

added 9.07% to $55.33 in the pre-market session. Red Hat's trailing-twelve-month revenue is $1.22 billion. Ancestry.com

soared 7.95% to $31.50 in the pre-market trading. Ancestry.com agreed to be bought by Permira Funds for $1.6 billion.