McDonald's Corp said sales at established U.S. restaurants fell 0.6 percent in November, marking the second straight month of declines at domestic outlets, and its shares fell 2.6 percent.

Fast-food chains like McDonald's were outperforming other restaurant categories until just recently, when rising unemployment began to take a noticeable bite of sales, particularly at breakfast -- where McDonald's leads the industry.

Same-restaurant sales were up 0.7 percent overall for November, Helped by a 2.5 percent rise in Europe. Asia Pacific, Middle East and Africa same-store sales fell 1 percent.

Countries like Britain and France were singled out by the company as top performers in November.

(Reporting by Brad Dorfman and Lisa Baertlein, editing by Dave Zimmerman)

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