Experts told Fortune Trump's proposal to let Americans use their 401(k) for down payments could inflate prices and leave Americans poorer in retirement.

President Donald Trump signed an executive order on Tuesday aiming to stop Wall Street investors from competing with individual homebuyers, the White House said.

Experts told Fortune Trump's proposal to let Americans use their 401(k) for down payments could inflate prices and leave Americans poorer in retirement.

Trump says banning institutional investors will help families buy homes, but housing analysts say supply shortages remain the bigger problem.