The Trump administration has strengthened an executive order that bans U.S. investment in Chinese military companies in a guidance published by the Treasury Department late on Monday. The Treasury Department issued a “Frequently Asked Questions” notice that outlines further details for President Donald Trump’s November executive order (E.O) 13959. The notice said that the Trump administration would prohibit exchange-traded funds (ETFs) and index funds from financing Communist Chinese military companies and any subsidiaries that are owned or controlled by the Chinese military, which the president said was a move to protect U.S. markets and end Beijing’s exploiting U.S. investors to finance their military. “The prohibitions in E.O. 13959 apply to any subsidiary of a Communist Chinese military company, after such subsidiary is publicly listed by Treasury,” the Treasury’s website reads. It says that the Treasury intends to publicly list as subsidiaries “any entity that issues publicly traded securities” and that is “50 …