Some of the market's biggest blue-chip stocks are not immune to offering discounts to investors; it's not that often that participants can exploit the short-term nature of these mispricing events, so when they come along, investors need to act fast before others come in to close the gap. Such an opportunity has come recently through one of the biggest household names in the United States today, though it may not last long considering what could be about to happen. McDonald's Today MCD McDonald's $297.50 +0. ...