Its business has been under pressure as trucking companies are adversely affected by retailer destocking and a pullback among U.S. industrial end markets. Yet Old Dominion's stock has surged over 40% this year, with the preponderance of that gain coming in just the past two months. The reason for that surge is the market's hope that Old Dominion will gain a significant amount of market share following the bankruptcy of its competitor Yellow Trucking.