1.   A weaker dollar makes German goods more expensive abroad and means exporters get fewer marks when they repatriate their dollars.

2.   A weaker yen gives Japanese carmakers flexibility in pricing vehicles sold abroad and boosts profits when dollars earned overseas are repatriated.

3.   A weak yen boosts the earnings of Japanese exporters when they repatriate dollars earned abroad.

4.   A stronger greenback boosts the yen-based earnings of Japanese automakers and other exporters when they repatriate dollars earned overseas.

5.   The devaluation of the Mexican peso led investors to sell off speculative investments and repatriate their dollars.

6.   The abnormal plunge in the currency last year prompted importers to seek cover against the rand and exporters heldd back in repatriating dollars.