Sorry, I'm busy at the moment difference between paracetamol 500 and 650 7. Reduce your exposure to currency fluctuations by using a foreign exchange broker to fix your exchange rate for large orders in advance and so protect your profit margin. Alex Sullivan, managing director of World First UK, a currency broker, said: "With currency markets prone to large fluctuations, protecting yourself in advance is a must. Nobody wants to wake up and find out that 10pc of their profits have been wiped out simply because of movements in exchange rates."