Curiosity

Financial literacy · Investing · Lesson 3 of 8

How investments grow

Income, growth and time in the market.

8 minute read

An investment can pay you in two different ways, and understanding both changes how you read every headline about markets. One is income the asset hands you while you hold it. The other is growth in what the asset itself is worth.

Income: getting paid to hold

Many assets pay their owners regularly. Companies share profits with shareholders as dividends, typically a few times a year. Properties pay rent. Bonds and savings pay interest. Income is the quieter half of returns, but it is real cash arriving whether prices are up or down that week, and for patient investors it adds up to a large share of long run results.

Growth: the asset becomes worth more

The second way is capital growth: the price of the asset rises. A share bought at $20 that trades at $30 five years later has grown $10 in value. The catch is that growth only becomes cash when you sell. Until then it is a number on a screen that can move both ways, which is why growth is the noisier, less predictable half of returns.

The quiet trick: reinvesting

Here is where it gets powerful. If you spend your dividends, they are gone. If you reinvest them, buying more of the asset, then next year's dividends are paid on a bigger holding, which buys even more, and so on. Reinvested income is the fuel of compounding, which the next lesson covers properly. Many investors set this to happen automatically and let the machine run.

Here is the effect in numbers, illustrative only. Say you own $10,000 of an investment that pays a 4 percent dividend each year, and you reinvest every dividend. In year one you receive $400, which buys more units, so year two's dividend is calculated on more than $10,000 worth, and each year the base it is paid on is a little larger. Spend the dividends instead and your holding grows only through price, leaving a slower path. The gap between spending and reinvesting looks tiny in year one and grows to something large by year thirty, which is the whole point of the machine.

The half everyone forgets

Ask most people how an investment makes money and they will point at the price going up. Growth gets the headlines because it is dramatic, but over long periods reinvested income has historically done a surprising share of the heavy lifting, quietly and without any drama at all. The reason is the one above: income buys more of the asset, which earns more income, and that loop runs whether the price is having a good year or a bad one. An investor who watches only the price is watching half the engine.

Time in the market beats timing the market

It is tempting to wait for the perfect moment to buy, or to jump out before a fall. Decades of evidence say almost nobody times markets well, including professionals, because the best days often arrive right beside the worst ones. Missing just a handful of the strongest days in a decade can cut returns dramatically. The reliable approach is less exciting: invest regularly, stay invested, and let years do the heavy lifting. Investors call it time in the market, not timing the market.

Check your understanding

8 questions. Pick an answer for each, then check.

  1. 1. The two ways an investment can pay you are

  2. 2. A dividend is

  3. 3. Capital growth becomes actual cash in your account when

  4. 4. Reinvesting dividends is powerful because

  5. 5. Why does the lesson warn against trying to time the market?

  6. 6. In the illustrative example, reinvesting the dividend matters because

  7. 7. Why does the lesson say an investor who watches only the price is watching half the engine?

  8. 8. The saying time in the market, not timing the market means