From the Overview: "Some Members of Congress, the Trump Administration, and some U.S. businesses have raised concerns over the risks to continued U.S. technological leadership to support national defense and economic security due to growing foreign direct investment (FDI), primarily by Chinese firms, in U.S. high-tech companies. On August 13, 2018, President Trump signed into law new rules governing foreign investment national security reviews. Known as the 'Foreign Investment Risk Review Modernization Act (FIRRMA) of 2018' (Title XVII, P.L. 115-232), the legislation amends the current process for the Committee on Foreign Investment in the United States (CFIUS) (under P.L. 110-49) to review, on behalf of the President, the national security implications of FDI in the United States."
CRS In Focus, IF10952
Congressional Research Service: https://crsreports.congress.gov/