Air cargo company Forward Air Corp's posted quarterly income that beat market estimates, helped by higher volumes, and forecast third-quarter earnings above view. For the second quarter, the company earned $7.9 million, or 27 cents per share, compared with $2.8 million, or 10 cents a share, a year ago.

Operating revenue was up 23 percent to $122.1 million, the company said.

It expects third-quarter revenue to increase 20 percent to 25 percent.