Home Depot doesn't report earnings for another couple of weeks. However, the profit warning issued by Walmart ( NYSE:WMT ) in the last week of July may be a preview of things to come for the home improvement retailer. However, as is the case with Walmart, there are still reasons to hold onto HD stock. And in this article, I'll go over a few of those to help you decide if HD stock is a viable choice for your portfolio at this time.