From ABC News.

ABC News Live is breaking down the top three stories trending today:

* Tim Cook to step down as CEO of Apple, Hardware chief John Ternus to take over
* US-Iran ceasefire deadline looms, latest update on peace talks
* Wave of rising speculation regarding Justice Alito’s retirement from the Supreme Court

Watch ‘Searched’ weeknights at 4:30 p.m. ET on @ABCNewsLive.