The role of deposit taking banks is to make loans available to those who need them. It is not the pursuit of excess profits through proprietary trading. 

The more I see of Trump, the more I am convinced that the end game for him is to undo everything Obama did regardless of the consequences. It seems personal with him and there was a bitter conflict between them as a result of Trump's nasty attacks on Obama's birth place.

As an investor I shudder at the prospect of Wall Street left to regulate itself. I have read enough on the financial crisis to know that they care absolutely nothing for their clients.