McDonald’s sales are down due to weakness in Europe. March 9, 2012- On Thursday, McDonald’s reported its global sales for February. The figure did not meet Wall Street’s estimates. Analysts on Wall Street underestimated the effect the harsh winter in Europe and the region’s continual economic upheaval would have on the company’s sales. McDonald’s also said the uncertainty in the economy could impact growth in profit. The company’s stock sank by 3% following its announcement. The latest...