The technological iron curtain between China and the United States has officially fallen The US Treasury Department has issued a draft that requires AI companies that previously invested in China to report Now we need to change it to a principle of not allowing investment directly And the scope has expanded from three categories of chips, quantum, and AI to six categories, with the addition of supercomputing, hypersonic, and biotechnology China, Russia, and Iran are all restricted together Buying stocks, index funds, and anything under $50000 is a small amount and can be exempted