These high-yielding dividend stocks can supply a tangible return during a market downturn.There's increasing uncertainty these days. The economy is starting to show some signs of slowing, and the possibility of an escalating conflict in the Middle East is creating anxiety. On top of that is the upcoming presidential election. All this uncertainty has investors rattled, with the market recently having its worst day since early last year. These factors might have you fearing that another bear market could be ...