BUZZ-Valeant Pharmaceuticals: Board could find new CEO in "weeks"-Ackman
** Canadian drugmaker's U.S.-listed shares up 9 pct at $31.33
** Company's Toronto-listed shares up 9.1 pct at C$41.23
** Billionaire investor William Ackman says Valeant's board could find a new CEO in "weeks" and stock will become "investable" again once annual report is filed
** Valeant said on March 21 that its Chief Executive Michael Pearson would leave the company, just three weeks after he returned from a two-month medical leave
** Up to Tuesday's close, stock had fallen nearly 72 pct this year
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