The oldest piece of investing wisdom is also the most useful: do not put all your eggs in one basket. Dressed up in jargon it becomes "diversification", but the idea is exactly that homely. Spread your money around, and no single misfortune can wipe you out.
Why concentration is dangerous
Imagine putting your entire savings into one company's shares. If that company thrives, wonderful — but if it stumbles, fails, or simply falls out of favour, your money goes with it. Even strong, famous companies can collapse. Tying your future to a single bet is a gamble, not an investment plan.
What diversification looks like
Diversifying means spreading your money across many different investments, so a poor result in one is cushioned by others doing well. You can spread across:
- Many companies — rather than one or a handful.
- Different industries — so a downturn in one sector does not sink everything.
- Different countries — so one economy's troubles are not your whole story.
- Different asset types — shares, bonds and cash, which often behave differently.
The easy way to do it
This sounds complicated, but ordinary investors achieve it with almost no effort through a single broad fund. A global index fund holds thousands of companies across dozens of countries in one go — instant diversification for a tiny fee. There is no need to assemble it yourself.
The balance
Diversification reduces risk, but it also means you will never strike it rich on one lucky pick — and that is the point. It trades the dream of a jackpot for the reality of steady, resilient growth. For money that matters, that is a trade well worth making.