Could more regulation be on the way for the FX market?

With banks either firing or placing traders on leave, one has to wonder whether a result of the investigations into the alleged FX manipulation will result in more regulation.  http://dealbook.nytimes.com/2014/01/17/hsbc-and-citigroup-suspend-currency-traders/?_php=true&_type=blogs&nl=business&emc=edit_dlbkam_20140121&_r=0