It's been a week since President Trump issued an executive order to encourage 401(k) investment in private equity, and the biggest surprise so far is how quickly the rest of his administration has activated.

The president wants to give 401(k) savers access to alternative assets, but lawyers say executive power has limits.

Private asset managers have been tantalized for years about the $29 trillion in Americans’ retirement accounts. Donald Trump just made it easier for them to get a slice.