New Delhi, March 23 -- In investing, what you invest in is important-but how you allocate across asset classes is even more critical. Asset allocation refers to spreading investments across equities, debt, and commodities such as gold and silver to balance risk and return.

Across market cycles-especially during volatile and uncertain phases-this discipline becomes the cornerstone of long-term wealth creation. A landmark 1986 study found that asset allocation explains about 91.5% of portfolio return variability, with the rest driven by security selection and market timing.

If one looks at calendar-year performance across asset classes, no single category consistently outperforms across all periods.

Asset allocation is essential because ...