David Booth, founder and chairman of $1.1 trillion Dimensional Fund Advisors, stated that investors do not need AI to identify the next great stock, as the market already processes the information. He cautioned that trying to pick a big winner in the AI boom could lead to significant losses, drawing parallels to the late-1990s telecom boom where many expected dominant companies failed to maintain their leadership despite the internet's transformative impact. Booth's skepticism extends to current AI beneficiaries like Nvidia, arguing that even transformative technology does not guarantee easy identification of long-term stock market winners.