Bill Ackman, activist investor and chief executive officer of Pershing Square Capital Management LP, speaks during an interview in New York, U.S. (Photographer: Christopher Goodney/Bloomberg)

Ackman Threatens Fight Over United Technologies-Raytheon Deal

(Bloomberg) -- Bill Ackman urged United Technologies Corp. to call off its proposed takeover of Raytheon Co., vowing to oppose a deal he assailed as lacking strategic sense.

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