Group 1 - Old Dominion Freight Line (NASDAQ: ODFL) has faced challenges over the past year due to prolonged high interest rates, leading to increased operating costs and decreased freight volumes [1] - The company operates as a less-than-truckload (LTL) carrier, which has been impacted by these economic conditions [1] Group 2 - The article emphasizes the importance of conducting personal due diligence before making investment decisions, particularly in the context of dividend investing and building quality portfolios [1]