McDonald's same-store sales slip in Nov.

OAK BROOK Ill. For the second straight month, McDonald’s domestic same-store sales have slipped slightly compared with a year earlier, as prolonged high unemployment has eaten into budgets for core quick-service users, especially at breakfast.

While global same-store sales for Oak Brook-based McDonald’s rose 0.7 percent in November, led by a 2.5-percent uptick in its European division, same-store sales at the chain’s restaurants in the United States fell 0.6 percent,