When the economy stalls, this road-ready retailer can show up for investors with jumper cables and a quart of motor oil.Since the dawn of the financial markets, investors have been on a mythical quest for a stock that can weather any storm, delivering solid returns in boom times and busts.If such a stock exists, you won't find it in some high-flying tech portfolio. The ultimate recession-resistant stock might be this blue-collar overachiever that keeps grinding out strong results in good times, bad times, a ...