* U.S. same-restaurant sales up 3.9 percent
* Europe same-restaurant sales up 2.7 percent
* Shares fall 2.6 percent (Adds analysts’ expectations, background)
CHICAGO, Sept 9 (Reuters) – McDonald’s Corp (MCD.N) reported a lower-than-expected 3.5 percent rise in global August sales at established restaurants on Friday, with all its markets disappointing analysts.
The world’s largest hamburger chain said sales at restaurants open at least 13 months rose 3.9 percent in the United States [...]