Banks Worry As Breakup Talk Revived After JPMorgan Loss

Move over too-big-to-fail. Here comes too-big-to-manage.

Congress’s inquiry into JPMorgan Chase & Co.’s $2 billion trading loss has reignited the question of whether a bank can grow too large and complex for its own executives to oversee. The banking industry is taking notice that a move to cap the size of Wall Street firms is gaining traction on Capitol Hill.