Trump targets big investors to fix U.S. housing affordability.
Trump says large institutional investors should stop buying single-family homes.
Many Americans blame big investors for rising home prices and fewer listings.
Nationally, big investors own just 1%—but much more in some cities.
Cities like Atlanta and Tampa could see the biggest impact.
A forced selloff could boost listings—but nothing is confirmed yet.
Trump also wants Fannie Mae and Freddie Mac to buy more mortgage bonds.
Experts say impact will vary widely by state and city.
The proposal is popular—but still faces Congress and legal hurdles.