Hedge fund manager Philippe Laffont expects Arm and MercadoLibre to generate monster returns in the next five years.Billionaire Philippe Laffont is the founder and portfolio manager at Coatue Management, a hedge fund that outperformed the S&P 500 (^GSPC 0.34%) by 120 percentage points in the last three years. Coatue curates the Fantastic 40 Growth & Innovation Index, which ranks public and private companies based on growth prospects through 2030.The index, last updated in June 2025, currently shows buying o ...