11AM Hour: Ariel Investments Co-CEO on Warren Buffett Stepping Down, Apple's New iPhones Go on Sale & AI's Growing Role in Health Care 9/18/26

Ariel Investments Co-CEO John Rogers joins to discuss the impact of Warren Buffett stepping down from his chairman role at Berkshire Hathaway. Then, we break down expectations for the iPhone 18 which hits the stores today. Plus, Dr. Vin Gupta shares the pros and cons of using AI in the medical field. Squawk on the Street Disclaimer