The Capital Spectator has a good post on the NYSE trading scandal and how it affects the human vs. computer trading debate. Personally, I think humans will be replaced sooner rather than later, due in part to this scandal. I like this from the link above:
But now it's conceivable that the human factor could ultimately take down the Big Board. The carbon-based units make mistakes, sometimes intentionally, and for no other reasons than greed. Whatever flaws inherent in computer-based trading, deliberately ripping off the clients isn't likely to be one of them.
