Wall Street’s Win Streak With Trump Regulators Dangles by Thread

For Wall Street, this week might mark the end of the sweeping period of financial deregulation that has defined the Trump era.

Bank regulators will meet Thursday to wrap up a major revamp of the Volcker Rule and to scrap a constraint that’s forced lenders to set aside ten of billions of dollars to backstop derivatives trades. If President Donald Trump fails to win a second term, the changes will probably be among the last that watchdogs he’s appointed will get done before a new cast of agency heads takes over.

This push “could certainly represent the last wave of ...