Core-satellite investing is a structured way to build a portfolio with discipline (so it can compound over time) and flexibility (so you can express targeted ideas without derailing your plan). In practice, you allocate most of your capital to a diversified, lower-maintenance core, then reserve a smaller portion for satellites—purposeful sleeves such as REITs, factors, or themes—sized so they do not overwhelm long-term outcomes. For many Singaporean investors, the hardest part is not finding the “best” stock or trend. It is building a portfolio that can withstand market cycles, avoid hidden concentration (for example, over-reliance on one market, sector, or style), and remain investable even when headlines turn volatile. This guide explains how core-satellite investing works, how to size each sleeve, how to select satellites that genuinely add value, and how to maintain the approach using clear, repeatable rules. You will also find practical portfolio templates you can adapt, whether...