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Sourcefire Gains Ahead of Cybersecurity Order: Washington Mover

Sourcefire Inc., a network security provider for government agencies and private companies, rose the most in more than three months on anticipation that President Obama will release an executive order on cybersecurity.

The shares advanced 7.4 percent to $43.06 at the close in New York for the biggest one-day gain since Nov. 1. Sourcefire, based in Columbia, Maryland, had declined 15 percent this year through yesterday, while the Standard & Poor’s 500 Index increased 6.4 percent.