Honeywell International (MR) stock is best Dow Jones stocks Tuesday, after activist investor Elliott Investment Management announced it had built a stake in the industrial conglomerate worth more than $5 billion. The activist investor also said he would push for a breakup of HON.

“The conglomerate structure that once suited Honeywell no longer works, and the time has come to embrace simplification,” Elliott said. in a letter to Honeywell. He believes that Honeywell should separate into two independent companies – Honeywell Aerospace and Honeywell Automation.