Currently the only site I know of that is keeping track of traders picks (day, week and month) is Scotts (spiel2001)site. It has been up since about Sept/Oct and is still under construction with some trading tools coming (level 2, TA charts and some other stuff). Most of the traders on his RB board use it I think. Maybe some ideas you can pick up from a visit to the site http://www.marketbeasts.com/ just a thought, NOT spamming. I have not rejoined since he re did the site about two months ago.
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