Ackman's Pershing Square Capital Raises Stake in Valeant Pharmaceuticals (VRX) to 9.9%

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Form SC 13D/A Valeant Pharmaceuticals Filed by: Pershing Square Capital Management, L.P.

November 23, 2015 5:13 PM EST

 

 

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

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