BUZZ-Sherritt International Corp: CEO expects nickel to rebound
** Canadian miner's shares up 7 pct at C$2.88 in late afternoon trading
** Company CEO David Pathe says there will be a rise in demand for nickel over the next year
** Says sustained period of excess supply ends due, in part, to ban on ore exports from world's top nickel supplier, Indonesia
** Up to Tuesday's close, shares had fallen more than 25 pct this year
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