McDonald's Corp. stock was upgraded to overweight from neutral at Piper Jaffray Friday, with analysts taking a positive stance after the fast-food giant beat profit estimates for the third quarter a day earlier. Piper lifted its price target on the stock to $130 from $95, or 37% above its current trading level. McDonald's shares rose 1.6% in recent trade and are up 20% in the year so far, outperforming the Dow Jones Industrial Average, which is down 1.2%. Would you buy shares of McDonald's?