BUZZ-Valeant Pharma rises for 2nd day on staff incentive plan
** Canadian drugmaker's U.S.-listed shares up 8 pct at $78.28; Toronto-listed shares up 7 pct at C$103.85
** Stock surges for second day after company said on Wednesday that it would likely offer cash and stock incentives to more key U.S. staff as the heavily scrutinized company aims to avoid mass departures
** "Through this turmoil, we definitely don't want to see an exodus," says Laurie Little, head of investor relations
** Up to Wednesday's close, stock had halved in value since Oct. 21, when short-seller Citron Research accused company of fraud
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