U.S. real gross domestic product increased at an annual rate of 2.5 percent in the second quarter, according to the third estimate by the U.S. Department of Commerce. The third estimate is unchanged from the previously released advance estimate.

In the first quarter, real GDP increased 1.1 percent.

Growth in the staffing industry is strongly correlated with GDP growth, according to research from Staffing Industry Analysts.

Business Insider reports economists expected a tick up to 2.6 percent growth in the final reading. To read the story, click here.