USAK - Spot rate pressure dents USA Truck earnings July, 26 2019 10:07 AM USA Truck Inc. USA Truck (USAK -11.3%) is down sharply after reporting an operating ratio of 98.5% for Q2 vs. 96.8% a year ago amid pricing pressure.More news on: USA Truck, Inc., Consumer stocks news, Stocks on the move, Earnings news and commentary, , Read more ...