Producers of metals and other raw materials ticked up amid mixed messages from central bankers on the outlook for interest rates. Dallas Federal Reserve President Robert Kaplan said he could be persuaded that a tactical rate cut was necessary, but said he did not see signs that previous rate hikes had hurt the economy and indicated he did not support a new rate-cutting cycle. Fed Chairman Jerome Powell emphasized the importance of responding to global economic trends. U.K. mining giant Rio Tinto said it will take longer and cost more than expected to finish building one of the world's biggest copper mines in Mongolia's remote southern Gobi desert.
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