Facebook roundup: share price up, Firefox gets social, Radian6 staff cut and more

Facebook stock sees post-earnings surge – Following the company’s third quarter earnings call on Tuesday, Facebook experienced its largest single-day leap in stock price since the company went public in May of this year. Shares went as high as $24 on Wednesday after the company reported better Q3 numbers than expected. The stock closed at $21.94 this week, up 14 percent for the week. Shares had been mostly below $20 since Oct. 10. The stock is expected to continue to fluctuate, especially with major lock-ups ending next month and putting more than 1.2 billion in employee restricted stock units on the market.