Apple's Tim Cook to step down as CEO after 15-year run

Apple's Tim Cook will step down as the California tech giant's chief executive this year, handing the top job to a company veteran as it navigates a technology landscape being upended by AI. The 65-year-old Cook, who ran Apple for 15 years after taking the reins from its visionary co-founder Steve Jobs, will be succeeded by John Ternus, a senior vice