Key idea
Almost everything you can invest in falls into a handful of families. Knowing what each does is the foundation of every portfolio.
An asset class is simply a group of investments that behave in a similar way. You do not need to know hundreds of products, only a few families, and what each is for.
The families
| Asset class | What it is | Its role |
|---|---|---|
| Equity | A share of a business | Long-term growth |
| Debt | Lending for fixed return | Stability, income |
| Gold | A store of value | Diversifier, hedge |
| Real estate | Property | Growth + use, but illiquid |
| Cash | Money and near-money | Safety, liquidity |
Why the mix matters more than any one
Each family behaves differently, and often at different times: when equity falls, debt or gold may hold steady. That is precisely why portfolios combine them rather than betting on one. The next lessons take each family in turn, but the key idea is that they are tools, and a good portfolio uses several.
You will meet every product later (funds, ETFs, bonds, and more) as a way of holding one or more of these families. Understand the families first, and the products become easy.
Finished reading?
Marking this complete counts today, and your streak becomes day 1.