Morning Market Movers

Perion Network

surged 22.75% to $11.60 at 9:55 am. Perion projects 2013 revenue to exceed $110 million. Repros Therapeutics

shares advanced 16.76% to $12.61. SmartPros

climbed 13.55% to $1.70. SmartPros has a dividend yield of 3.40%. Orbital Corporation

surged 13.52% to $3.87. Orbital shares have dropped 18.03% over the past 52 weeks, while the S&P 500 index has gained 13.14% in the same period.