Bipartisan housing push advances, but Trump-backed investor ban faces resistance

The Senate moved closer Wednesday to advancing a sweeping housing package aimed at boosting affordability, but a Trump-backed provision banning institutional investors from buying single-family homes is emerging as a flash point.

Lawmakers cleared another procedural hurdle for the bill Wednesday, setting up a likely final vote before they leave Washington Thursday.

The Housing for the 21st Century Act passed the House last month by a 390-9 bipartisan vote. The legislation includes...