Larger Home Depot presents a more compelling opportunity than Lowe's.The top two market participants, Home Depot (HD -0.04%) and Lowe's (LOW -0.42%) dominate the home improvement retail sector. Although they're competitors, they do have key differences that are important to understand.Turning to the equity performances, Home Depot has outperformed Lowe's stock. Over the last three years through Sept. 29, the former gained 46.2% compared to the latter's 33%. Both have underperformed the S&P 500's 83%, howeve ...