Shares of Facebook rocketed 15% after well l-received earnings report. Investors clearly like what Facebook is doing and the stock price reflects it. Earnings were 79 cents per share on $5.84 billion in revenue in the quarter.

The highest estimates on the Street had called for earnings of 75 cents and revenue of $5.67 billion, according to Thomson Reuters.

In 2015, Facebook said its revenue wast $17.93 billion — an increase of 44 percent year-over-year.

Advertising revenue was $5.64 billion in the quarter.

Mobile advertising revenue represented about 80 percent of all ad revenue, the company said, compared to about 69 percent in the year-ago period