Yellen raises concerns in China over treatment of U.S. firms, export controls

News Snapshot:

U.S. Ambassador to China Nicholas Burns (3-R) speaks as Treasury Secretary Janet Yellen (C) listens during a roundtable meeting with members of the American business community in Beijing, China, on Friday. Photo by Mark Schiefelbein/EPA-EFE July 7 (UPI) -- U.S. Treasury Secretary Janet Yellen expressed concern Friday while in China over Beijing's treatment of foreign firms and newly imposed export controls on key metals in the manufacturing of semiconductors. Yellen landed Thursday in the Asian nation for a four-day trip to China amid heightened tensions between the world's two largest economies, which have imposed seemingly tit-for-tat punitive measures against each...