The trading activity is subject to financial regulation whose objective is to protect clients, and identify and prosecute breaches of relevant laws on market misconduct, for example, insider trading.

While not every financial firm or employee contributed to the crisis, it is clear that too many acted improperly and some products were pushed to a level of unsustainable complexity.

My own worst lapses of behaviour tend to occur not when I'm intent on pleasing other people but when I'm hell bent on pleasing myself.