有买必然有卖接单，为什么价格还会单方向波动？

Dario

Daily turnover in the world's currencies comes from two sources:

Foreign trade (5%). Companies buy and sell products in foreign countries, plus convert   
                                    profits from foreign sales into domestic currency.
Speculation for profit (95%).

Dario

呵呵 快去苏黎士，伦敦，纽约，东京唤醒那些80%的人吧