Fox News Flash top headlines are here. Check out what's clicking on Foxnews.com. Britain said on Thursday it was weighing how to respond to a decision by U.S. President Joe Biden to prohibit some tech investments in China, adding it was continuing to assess potential national security risks. Biden signed an executive order on Wednesday that authorizes the U.S. Treasury secretary to prohibit or restrict U.S. investments in Chinese entities in three sectors: semiconductors and microelectronics, quantum information technologies and certain artificial intelligence systems. The U.S. government has said the measures are designed to address national security risks.