This article presents an updated guide to Bob Farrell’s ten rules of investing, emphasizing their continued relevance despite market shifts. Farrell, a Wall Street veteran, developed these rules based on decades of experience observing market cycles and investor behavior. The rules highlight the importance of understanding mean reversion, the cyclical nature of markets, and the powerful influence of fear and greed on investment decisions. The article uses charts to illustrate these rules and emphasizes the need for contrarian thinking and risk management to achieve long-term success. It concludes by urging investors to consider these rules, regardless of their investment style.