On November 12th, President Donald Trump signed an executive order barring U.S. investment in firms affiliated with the Chinese military, saying the firms were a threat to national security. American investors may not purchase new shares in the companies after January 11, 2021, and have until November 2021 to divest of any shares they already hold. President Donald Trump signed the new Executive Order on Thursday, Nov. 12, 2020.Credit: Federal Register The order included a list of 31 Chinese companies, including 20 companies the Pentagon had designated last June as being Chinese military-affiliated companies, along with 11 additional companies added in late August. On Dec. 3, the Department of Defense added four more Chinese firms to the list, including the oil giant China National Offshore Oil Corp. (CNOOC); the engineering and construction contractor China Construction Technology Co.; the construction company China International Engineering Consulting Corp. (CIECC); and Semico