BUZZ-Imperial Metals Corp: Mine begins trucking copper
** Copper miner's shares up 6.9 pct at C$13.25 after touching 7-month high of C$13.69
** Says its Red Chris mine trucked first copper shipment
** Says mill processed about 193,000 tonnes in February, producing about 2,400 tonnes copper concentrate
** Stock among top percentage gainers on the Toronto Stock Exchange
** Up to Monday's close, stock had fallen 30.3 pct in past 12 months
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