Invest in at least 25 stocks from various industries or an index fund for quick diversification. Include fixed-income assets like bonds to lower volatility and reduce risk in your portfolio. Add real ...

By: Fabrizio Dell'Acqua, Edward McFowland III, Ethan Mollick, Hila Lifshitz-Assaf, Katherine C. Kellogg, Saran Rajendran, Lisa Krayer, François Candelon and Karim R. Lakhani ...