BUZZ-Copper miners: Prices hit 7-week high
** Shares of copper miners up 3-7 pct after prices hit a 7-week high on expectations of tighter supplies
** Benchmark copper on the London Metal Exchange rose as much as 1.7 pct to $5,434.50/tonne
** A gain of about 5 pct so far this week triggered by mining giant Glencore's plan to suspend 400,000 tonnes of copper output from Africa
** Toronto-listed shares of Teck Resources rise 7 pct, while U.S.-listed shares 6.5 pct
** Shares of First Quantum Minerals Ltd rise 4.5 pct, Freeport-McMoRan Inc 4.8 pct, HudBay Minerals Inc 3.1 pct
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