The entire base metal complex has been bullish in the current year, led by a 37% surge by tin and 17% by copper despite a weaker Chinese market and the U.S. dollar strengthening against major world currencies. Last week, copper prices soared to a two-year high just shy of $10,000 per ton largely spurred by a combination of positive investor interest–as evidenced by increasing bullish positions in Comex futures–and supply concerns due to mine-supply downgrades…
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