lugan/ clearly more predictability and stability needs to
embedded in the financial market. Trusted computing would give cloud operators a hook into the end user and thereby allow the operators to slow down or prevent their market actions. This latest market meltdown was a coordinated, intentional or not, global run on stop loss orders.
To stop it in the future will require more sophisticated market rules and enforcement means and there is a role for trusted computing on the enforcement end.
Ending program trading is probably not a good or feasible goal, but limiting its powers certainly would be.