Benzinga's Top Pre-Market Gainers

Harvest Natural Resources

surged 85.86% to $9.07 in the pre-market session. Harvest Natural Resources announced its plans to sell its interests in Venezuela for $725 million. NPS Pharmaceuticals

added 6.25% to $7.65 in the pre-market session. NPS Pharmaceuticals shares have dropped 22.16% over the past 52 weeks, while the S&P 500 index has gained 4.50% in the same period. Arena Pharmaceuticals

moved up 4.20% to $12.17 in the pre-market session. Arena Pharmaceuticals shares have jumped 791.60% over the past 52 weeks, while the S&P 500 index has gained 4.50% in the same period. Morgan Stanley

soared 3.44% to $14.44 in the pre-market trading. Morgan Stanley's PEG ratio is 0.52.