Under Cook’s leadership—both as CEO and before that as COO—Apple brought its most important technologies in-house. It designs its own chips, manages its own supply chain, and oversees a services ecosystem that generated nearly $100 billion in revenue last year alone.

It seems impossible that Tim Cook’s legacy as Apple’s spectacularly successful CEO could be in jeopardy,” Colvin writes. “But in recent months, and especially in recent

Research firm LightShed partners says Apple should consider replacing Tim Cook as CEO, but the change is unlikely to occur any time soon. In a