Joel Tillinghast, a legendary Fidelity fund manager, shares his journey from an eight-year-old investment enthusiast to a market-beating powerhouse. He discusses the significance of not overpaying for stocks, his admiration for Cathie Wood, and the lessons learned from a significant financial misstep. Tillinghast reflects on investing in 'adaptive companies' and his approach to diversification, revealing a staggering success with Monster Beverage. He emphasizes the importance of self-awareness in investing and offers insights for the next generation of fund managers.