SAN FRANCISCO--(BUSINESS WIRE)--Fitbit, Inc. (NYSE:FIT), the leader in the connected health and fitness market, today announced financial results for its second quarter ended June 30, 2015. “Our second quarter results included our highest quarterly revenue in the eight-year history of Fitbit,” said James Park, Fitbit co-founder and CEO. “In the quarter, we introduced new features and services, expanded brand awareness, increased global distribution and further penetrated the corporate wellness