Sooner or later many spread betters are tempted by the biggest market in the world - foreign exchange, or forex. Daily turnover here regularly exceeds that of the equity market by a factor of ten or more. It's fast, furious and at banks all over the world vast sums are won and lost in a matter of seconds.

Yet few of us have a clue about any of that when we quietly queue for foreign currency at our local bank before going on holiday. The principles are actually very similar in both cases. But what will catch you out, unless you are well prepared, is the sheer speed at which live exchange rates sometimes move. why it should be? you can read more with click this