BUZZ-Iamgold Corp: Cuts production forecast
** Canadian miner's shares down 3 pct at C$2.60
** U.S.-listed shares down 5 pct at $2.08
** Company cuts 2015 production forecast, saying "seismic event" in Quebec last month would reduce output from its Westwood mine by nearly half
** Iamgold lowers 2015 forecast to 780,000-815,000 ounces from 820,000-860,000 ounces
** Up to Friday's close, Toronto-listed stock had fallen nearly 38 pct in 12 months, while U.S. shares lost nearly 47 pct
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