McDonald's Corporation (NYSE:MCD) was downgraded this morning by Wells Fargo on concerns that previous drivers of revenue will not have the same effects in 2014. The hamburger chain operator was downgraded to market perform from outperform. Wells Fargo also cited McDonald’s increase market share losses in the U.S. as a result of intense competition from competitors as concern. The price target range for shares was decreased to $100-$102 from $104-$108. Shares of McDonald’s are slightly down on the downgrade.