Markets & Economy ArcBest sees August tonnage growth accelerate; raises Q3 asset-light guide September 9, 2026 · 1:11 pm 1 sources Image: Yahoo Finance ad slot · in-content video 16:9 Coverage More coverageArcBest sees August tonnage growth accelerate; raises Q3 asset-light guideYahoo Finance · September 9, 2026 13:11