BUZZ-Gold and silver miners: Metal prices rise
** Shares of gold and silver miners rise as prices of the metals hit multi-month highs in response to a weaker dollar
** Spot gold jumps to the highest since Feb. 17 at $1,226.20 an ounce; Silver rises to three-month high of $17.52 an ounce
** Shares of Goldcorp Inc rise 2.7 pct, Kinross Gold Corp 2 pct, Barrick Gold Corp 1.6 pct
** Shares of Silver Standard Resources Inc rise 7.5 pct, Endeavour Silver Corp 3 pct
** Up to Wednesday's close, spot gold prices had risen nearly 3 pct this year, while spot silver prices had gained more than 9 pct
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