BUZZ-Gold and silver miners: Precious metal prices fall
** U.S.-listed shares of gold and silver miners down as dollar extends gains
** Spot gold and silver fall to two-week lows
** Shares of Barrick Gold Corp , the world's largest gold producer, fall 4.9 pct despite the company's strategic tie-up with China's Zijin Mining Group Co
** Shares of Primero Mining Corp fall 6.1 pct; Kinross Gold Corp 4.1 pct; Aurico Gold Inc 4.6 pct
** Shares of Endeavour Silver Corp fall 6.3 pct; Coeur Mining Inc 4 pct; Fortuna Silver Mines Inc 4.1 pct
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