Tim Cook turned Apple into a tech colossus that broke the trillion-dollar barrier. Can John Ternus keep the profits coming?

John Ternus takes over as Apple CEO on September 1, succeeding Tim Cook. He's already restructuring Apple's design team and shifting management

Tim Cook ends his 15-year run as Apple CEO, handing leadership to hardware chief John Ternus as Apple's market cap tops $4 trillion.

Tim Cook has described John Ternus as a leader with both engineering and organisational strengths. | World News

Apple CEO Tim Cook has handed over the reins to John Ternus after a 15-year tenure that transformed Apple into a $4.6 trillion company. The stock has surged 2,275% since Cook…