Luxembourg is by far the richest country in the European Union in terms of gross domestic product per capita, more than six times more affluent than the 27-nation bloc's poorest member Bulgaria, data showed.
Credit ratings agency Moody's warned that Germany, Netherlands and Luxembourg were put on negative outlooks and could lead to a downgrade of their ratings.
Luxembourg rider Frank Schleck is out of the Tour de France after testing positive for a diuretic, a spokesman for his RadioShack-Nissan team said.