William Ackman, the activist investor who leads Pershing Square Capital Management LP, has told United Technologies Corp. CEO Gregory Hayes that he is “extremely concerned” about the company’s plan to merge with Waltham-based Raytheon Corp.

The planned mega-merger, announced Sunday, will weaken United Technologies (NYSE: UTX) aerospace business and threaten the value of the company’s stock, Ackman said in a letter to Hayes and other United Technologies board members.

The letter was sent…

Boston Biz Journal https://www.bizjournals.com/boston/news/2019/06/11/activist-investor-opposes-united-technologies.html?ana=RSS&s=article_search