Apple CEO Tim Cook is stepping down after nearly 15 years, transitioning to the role of executive chairman on September 1. John Ternus, Apple's longtime hardware chief, will succeed Cook, who is 65 years old.

This leadership change occurs as Apple prepares for industry shifts driven by artificial intelligence. Cook took over from Apple founder Steve Jobs and transformed the company into a global brand.

Under Cook's leadership, Apple's market capitalization surged from approximately $350 billion to $4 trillion, with yearly revenue nearly quadrupling. The company expanded its global presence to over 200 countries and territories, operates more than 500 retail stores, and grew its installed base to over 2.5 billion devices.

Investors acknowledge Cook's significant contributions. Rick Meckler, of Cherry Lane Investments, noted Cook's "amazing job" and anticipates his continued involvement in company strategy. Art Hogan, B. Riley Wealth Management, believes Cook wouldn't depart if performance was faltering, expecting positive upcoming earnings and a focus on AI integration in products. Tim Ghriskey, of Ingalls & Snyder, highlighted Apple's dramatic growth in value and user base under Cook's tenure, suggesting the timing might avoid impacting earnings reports.