In recent years, the U.S. has added a growing number of Chinese companies, including some leading tech companies, to the U.S. Entity List, which makes it harder for those companies to do business with Americans. The list has been an ongoing source of tension in U.S.-China relations, and this month, China's state-backed Global Times reported that China “is ready to take a series of countermeasures,” including adding American companies such as Apple, Boeing, and Cisco to its own list — an �