11. US foreign-investment review is moving toward speed for trusted capital and scrutiny for adversary risk

White & Case’s 2026 U.S. foreign-direct-investment review highlights the Known Investor Program, possible fast-track process, scrutiny of foreign-adversary investments, enforcement and the continuing ability to review older transactions. The useful agenda angle is that legal teams must prepare clients for a two-speed environment: faster paths for trusted investors and deeper scrutiny for technology, data, infrastructure and adversary-linked risk.