During the last banking crisis, JP Morgan, at the request of the Federal Reserve, bought up Bear Stearns and Washington Mutual. They later paid $19 billion in

During the last banking crisis, JP Morgan, at the request of the Federal Reserve, bought up Bear Stearns and Washington Mutual. They later paid $19 billion in fines and settlements for prior activity. Additionally, the FTC and CFPB are very much opposed to more bank mergers and acquisitions so any big players would likely face lawsuits blocking it.