 VAN BUREN, AR ACCESSWIRE July 8, 2021 USA Truck, Inc. NASDAQ:USAK, a leading capacity solutions provider headquartered in Van Buren, AR, today announced it will release its second quarter 2021 financial results after market close on Thursday, July 29, 2021, and will hold a conference call to discuss those results the following day, Friday, July 30, 2021, at 8:00 a.m. CT 9:00 a.m. 