FX meets Facebook, and retail trade gets transparent By Naomi Tajitsu LONDON (Reuters Life!) - Ask most market traders to share the details of their order book and you'll be lucky if they ever speak to you again. The last thing professional traders want is for the rest of the market to know the detailed history of their trades, and the positions they currently hold. But information sharing is becoming a valuable asset in the online retail trading world, and social network-driven trading sites are helping mainly non-professional investors get a foothold in these ultra-competitive markets.

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