Summary:
- The article discusses the U.S. government's decision to block a Chinese company, Hiefo, from acquiring the chip assets of an American company, Emcore.
- This decision was made by former President Donald Trump, who cited national security concerns as the reason for blocking the acquisition.
- The article explains that the U.S. government is concerned about the potential for sensitive technology to be transferred to China, which could have implications for the country's technological and military capabilities.