Here's how the stock market could turn $10,000 into $450,000

You don't need any investing experience to do this.

You’re reading a free article with opinions that may differ from The Motley Fool’s Premium Investing Services. Become a Motley Fool member today to get instant access to our top analyst recommendations, in-depth research, investing resources, and more. Learn More

This article was originally published on Fool.com. All figures quoted in US dollars unless otherwise stated.

The stock market turns ordinary people into millionaires every day, and it's actually one of the easiest ways for the average person to grow wealth. The sheer number of investment options can be intimidating and the risk of loss concerning, but overcoming those obstacles is actually a lot easier than you think.

Here's a look at one of the simplest ways you can turn $10,000 into more than $450,000 using the stock market.

How does the stock market grow your money?

When you invest in a stock, you buy an ownership stake in a company at whatever the current market value is. You can hold on to that for as long as you'd like. Then, when you need money, you can sell it at whatever the current market value is. The difference between what you initially paid for the stock and what you sell it for is known as your earnings.

If you've invested wisely, the market value of your shares should go up over time. Stock prices can change wildly in the short term, sometimes rising and falling many times within a single day. But over the long term, the S&P 500, one of the best-known market indexes, averages about a 10% return per year.

That means that if you invested in an index fund containing all the same stocks as the S&P 500, you could also see your savings grow by an average of about 10% per year over several decades. Your actual return will likely be a little less than that of the index itself because index funds charge annual fees to shareholders. However, these fees are usually pretty low, amounting to a few dollars per year for most people.

How to turn $10,000 into over $450,000

If you invested $10,000 into an S&P 500 index fund today and it had a 10% average annual rate of return over the next 40 years, you'd end up with nearly $452,600. And that's without ever investing another dime after the initial $10,000.

Those who routinely invest more money could end up with a much larger sum, as could those who reinvest their dividends -- or excess earnings that companies split with their shareholders. Not all stocks pay them, and those that do usually only pay them quarterly. They're often only a few dollars, but they can still add up over time, especially after being reinvested for a few decades.

Now, I imagine some of you are thinking, "That's great for someone who has $10,000 to spare, but I don't". And the good news is you don't have to. You can reach the same $450,000 over 40 years by investing less than $81 per month, assuming you still earn a 10% average annual rate of return.

You'll contribute more of your own money this way. Investing $81 per month for 40 years will cost you close to $39,000. That's because a lot of your funds won't be invested for the full 40 years. But it's a lot easier for most people to set aside a few dollars every month than to come up with thousands of dollars all at once.

The beauty of investing this way is its simplicity. All you have to do is keep putting in money, and the index fund will do the rest of the work for you. It'll automatically give you an ownership stake in hundreds of companies across several industries, so your savings are diversified. This helps reduce your risk of substantial loss. 

The only other thing you really need is patience. You will likely experience some ups and downs along the way, but as long as you trust your investment strategy and avoid emotional decisions, you can grow yourself a pretty substantial nest egg over time.

This article was originally published on Fool.com. All figures quoted in US dollars unless otherwise stated.

The Motley Fool has a disclosure policy.

More on International Stock News

A distressed young woman reads bad news on her smartphone while standing in a modern indoor setting.
ASX Share Market News

How the KOSPI crash impacted ASX investors

The South Korean market rose 170% in FY26 before crashing 44% last month.

Read more »

Man looks shocked as he works on laptop on top a skyscraper with stockmarket figures in graphic behind him.
ASX Share Market News

Imagine the ASX 200 near-tripling in a year. That's what the KOSPI did in FY26

Then came last month's 44% crash. Here's the full story behind the KOSPI's boom and bust.

Read more »

Man controlling a drone in the sky.
International Stock News

Why investors are rotating out of defence stocks: Expert

Should investors buy the dip on this billion dollar sector?

Read more »

Three rockets heading to space
International Stock News

SpaceX shares under pressure despite revenue beat

Solid results have failed to lift the stock.

Read more »

A young woman drinking coffee in a cafe smiles as she checks her phone.
International Stock News

What do Microsoft's strong earnings mean for these ASX shares?

Hyperscaler spending is the demand catalyst for these ASX shares.

Read more »

Three rockets heading to space
International Stock News

SpaceX shares continue to slide. What's the next catalyst for a recovery?

Analysts back the company, but investors seem lukewarm.

Read more »

A woman sits at her desk thinking. She is surrounded by projections of world maps on various screens with data appearing below them.
International Stock News

Why it's vital for investors to look to international shares for growth: Expert 

Are you at risk of home bias?

Read more »

A girl wearing a homemade rocket launches through the stars.
International Stock News

Analysts are still bullish on SpaceX shares after Nasdaq inclusion. Here is what that means for ASX investors

SpaceX joined the Nasdaq-100 and analysts are still bullish. Here is what that means for Australian investors who already own…

Read more »