Bunch of reasons, ie: I don't have a trading background, accessing and executing trade data has a high barrier to entry regarding legal + financial, etc. It wou

Bunch of reasons, ie: I don't have a trading background, accessing and executing trade data has a high barrier to entry regarding legal + financial, etc. It would be best executed by a company already in the game, like Sharebuilder. TradeKing.com has something like an open portfolio. eToro.com is also doing this for ForEx as well.