National truck dealership Rush Enterprises Inc. reported strong gains in net income and record-setting first-quarter revenue amid a strong economy and ongoing strategic initiatives.

Rush Enterprises Inc. rode an expanding commercial vehicle market and aftermarket business to higher net income and earnings in the 2017 fourth-quarter and full-year periods.

U.S. retail sales of medium-duty trucks in October remained strong amid broad-based demand, pushing past 18,000 units, according to WardsAuto.com.

National truck dealership Rush Enterprises Inc. posted record quarterly profits as net income and revenue rose in the third quarter.