Now accounting for 8% to 10% of all spot foreign-exchange transactions, or about $125 billion to $150 billion a day, retail trading is the fastest-growing segment of the $4 trillion-a-day currency trading market, according to the 2010 triennial foreign exchange survey from the Bank for International Settlements. That's creating an appealing target market for developers of the new algorithmic trading systems.
Little guys break into high-speed FX trading
Retail investors are fast-growing segment of currency market
Explosive growth of "expert adviser" algo programs
http://online.wsj.com/article/BT-CO-20110511-715958.html
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