Effort to rein in Wall Street landlords could push US home prices up, investors say

President Donald Trump's push to restrict Wall Street investors from buying up single-family homes in the name of promoting affordability could have the opposite effect and push prices higher, investors are warning.

Trump signed an executive order on Tuesday that directs federal regulators to promote home sales to individuals and to issue guidance preventing federal programs from facilitating single-family home sales to Wall Street investors. The order also mandates antitrust scrutiny of...