U.S.-China trade deal doubts lift yen, hamper yuan

TOKYO (Reuters) - Doubts that securing a trade agreement between the United States and China is far from a done deal helped to lift safe-haven currencies such as the yen and the Swiss franc on Thursday, while pulling the yuan lower.U.S.-China trade negotiations have 'hit a snag' over farm purchases, with Beijing not wanting a deal that looks one-sided in favour of the United States, the Wall Street Journal reported on Wednesday, citing people familiar with the matter.The report came after U.S...