USD / JPY

In this example of the U.S. dollar is the base currency and thus the principle of "the buy / sell. If you think that the Japanese Government is not weakened yen to help its export industry, is it a BUY USD / JPY order. For this you have bought U.S. dollars in the expectation that they will rise against the Japanese yen. If you believe that Japanese investors pulling money the U.S. financial markets and all the U.S. dollars back to yen, and that also hurt the U.S. dollar, is it a SELL USD / JPY order. So you have sold U.S. dollars in the expectation that they will depreciate against the Japanese yen.