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Bill Ackman Describes Valeant as Early Stage Berkshire Hathaway

William Ackman, the Pershing Square Capital Management founder who wages campaigns against corporate management and boards, compared Valeant Pharmaceuticals International Inc. to an early-stage Berkshire Hathaway Inc.

Ackman made the comments at the Sohn Investment Conference in New York on Monday. He was the final speaker of the day at the event, which is held annually and raises money for pediatric cancer research and care.