The global foreign exchange (forex) market had an average daily turnover of $3.2 trillion as of April 2007, an increase of 69% from the previous year, according to the 2007 Triennial Central Bank Survey of Foreign Exchange and Derivatives Market Activity, conducted by the Bank for International Settlements. It is by far the largest financial market in the world, and its size and liquidity ensure that new information or news is disseminated within minutes. However, the forex market has some unique characteristics that distinguish it from other markets. These unique features may give some participants an "information edge" in some situations, resulting in new information being absorbed over a longer period. (For background reading, see the













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