Wabash National 's (NYSE: WNC) most recent earnings report is a shining example of two strong and opposing market forces crashing head-on with each other: tariffs and a booming trucking industry. WNC data by YCharts. What management had to say In his first quarter as Chief Executive Officer after taking the reigns back in June, Brent Yeagy highlighted how strong demand and cost inflation were pulling the business in opposite directions.