Fitbit Surge
Fitbit sold 4.5 million activity tracking devices in the second quarter of 2015, resulting in revenue of $400 million, Fitbit CEO James Park reported in the company's second quarter earning call. He added that this compares to revenue of $114 million in the same period last year and represents year-over-year growth of 250 percent.
Since first launching, Fitbit has sold over 25...
