As AI becomes more embedded in daily life and dominates stock market headlines, a growing fear is taking hold, according to financial YouTuber Graham Stephan: an AI bubble that feels overdue for a correction. Such anxiety often follows periods of soaring valuations and increasingly concentrated market gains. In a recent video, Stephan broke down the real risks, why most investors misunderstand bubbles, and how to protect your money no matter which direction 2026 takes. The Market Is More Concentrated Th ...