FILE - A hostess walks by the national flags of the United States and China ahead of the bilateral meeting between U.S. Treasury Secretary Janet Yellen and Chinese Vice Premier He Lifeng, at the Guangdong Zhudao Guest House in southern China's Guangdong province, April 6, 2024. Simmering tensions between Beijing and Washington remain the top worry for U.S. companies operating in China, according to a report by the American Chamber of Commerce in China released Tuesday, April 23, 2024. (AP Photo/Andy Wong, Pool, File)