Home Depot founder Ken Langone recently shared his investment wisdom on the American Optimist podcast.Home Depot (HD 1.76%) might be seen as one of the most mundane stocks out there today. Unlike more exciting opportunities in technology or healthcare, Home Depot is mostly viewed as a brick-and-mortar retail outlet specializing in home improvement products.Despite its humble profile, however, investors might be shocked to learn that owning Home Depot stock has helped many attain generational wealth. An inve ...