The company shares are up nearly $7 in early trading after Facebook posted a strong quarter.
The social network finishes the week exactly where it started 14 months ago.
Facebook's flourishing mobile business serves as a catalyst for a bonkers week of trading that adds up to instant billions for the young CEO.
A strong second-quarter earnings report causes a pop that adds back 30 percent in value to Facebook's stock.
After a tumultuous year, the social network's blossoming mobile business has finally made believers out of skeptics.
The social network performed better than expected on both revenue and earnings per share. It also closed the quarter with 1.15 billion monthly active users.
The average corporate venture-capital funding deal during the period was $17.8 million, easily topping the first quarter's $13 million figure.
The company's second-quarter report shows Facebook continuing to slowly gain more users while increasing its mobile advertising dollars.
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