Greg Smith's rant costs Goldman $2.2-billion in one day

Goldman's market value declined by $2.2bn in one day.

To a first approximation, this tells us nothing about how much it has cost Goldman Sachs. Are customers walking away, whether to competitors or out of the market entirely? Who knows?

Taking Lawrence Lessig's view: http://edition.cnn.com/2012/03/15/opinion/lessig-goldman-sac... , this is the problem