Green Dot (NYSE:GDOT), Simon Properties Group (NYSE:SPG), and Heath Care REIT (NYSE:WELL) have been great stocks to own recently, but is it time to reevaluate their long-term value? In this segment from The Motley Fool's everything-financials show, Where the Money Is, analysts Matt Koppenheffer and David Hanson tell viewers why they think these stocks are scary to own.