Benzinga's Top Pre-Market Gainers

Ceres

moved up 15.47% to $3.06 in the pre-market session. Ceres shares have dropped 68.90% over the past 52 weeks, while the S&P 500 index has gained 20.38% in the same period. Progress Software

surged 8.84% to $24.00 in the pre-market session after the company reported upbeat fiscal second-quarter results and announced its plans to repurchase an additional $100 million of its common stock by December 31, 2013. Randgold Resources

soared 2.07% to $61.73 in the pre-market trading. Randgold's PEG ratio is 1.64.. ConAgra Foods

shares gained 1.95% to $34.00 in the pre-market session after the company posted a profit in the fiscal fourth quarter.