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© Reuters. A South Korea won note is seen in this illustration photo May 31, 2017. REUTERS/Thomas White/Illustration By Cynthia Kim and Yena Park SEJONG (Reuters) -South Korea hopes its push to reform currency trading will drive a…

Warren Buffett.Eric Francis/Getty ImagesWarren Buffett hinted at his thinking and recent actions in Berkshire Hathaway's latest earnings.The investor appears to have shifted cash into Treasuries and sold about 10% of his Chevron stake.He…