Dimon Gives Regulators New Ammunition for Tougher Volcker Rule

``JPMorgan Chase & Co. (JPM) Chief Executive Officer Jamie Dimon conceded a key point when pressed by lawmakers about a proposed ban on proprietary trading at banks: Had the rule been in place, it may have prevented the firm's recent $2 billion loss.'' -- Pyyft, Dimon knows they could have evaded it!