Stock market crash: I’d follow these three investing principles to make money

Stock market crashes are inevitable. Follow these three investing principles to help manage your risk and make money, says this Fool.

The content of this article was relevant at the time of publishing. Circumstances change continuously and caution should therefore be exercised when relying upon any content contained within this article.

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.

Will the 2020 stock market crash be followed by another? Many pundits are predicting it will. This should be unsurprising to a serious investor as a large market sell-off is always a possibility.

1. Be ready to buy

Ideally, every investor buys shares low and sells high. However, realistically, you can’t tell in advance on which days you should buy cheaply or sell on a peak. Even top equity analysts can’t predict the future, no matter what the hype says.

Consequently, keeping some money to one side for the inevitable market crash, or single share sale, could be a wise move. You may not buy at the bottom of a trough or at the top of a peak, but you can look to purchase a good company at a great price that will help to optimise your future returns.  

2. Diversification

It’s said that the really big money is made from concentrating your stock-picking efforts into a single industry or company. Think Bill Gates of Microsoft or Sir James Dyson of Dyson.

However, you only need to look at the movements on the Sunday Times Rich List to conclude that this doesn’t always work. People change places all the time! If you keep all your investments in one place, you may gain initially, but it won’t protect you from the creative destruction that can happen across the stock market. As one industry gains momentum, another may flounder.

It’s wise to diversify your portfolio across industries. That way, the shareholder returns of one investment may offset the loss on another. And as investor Seth Klarman says: “The avoidance of loss is the surest way to ensure a profitable outcome.” This is because the effects of compounding even moderate returns over the long term are substantial.

3. A ‘foreign policy’ to avoid a market crash

Investing in foreign stocks is certainly not mandatory for a well-diversified portfolio. However, I would say it’s advisable.

If you’re living and working in the UK, and you’re paid in sterling, you’re effectively betting on the UK economy. But it’s not always wise to keep all your money at home. Nobody knows what the future holds anywhere in the world. Putting some money into foreign stocks, such as into the US stock market, may help to insure you against the risk of putting all your money into one single economy.

Stock market crashes and share price volatility are par for the course when investing. To make money as a successful investor, you manage the risk by buying good companies at great prices within a diversified portfolio.

Rachael FitzGerald-Finch has no position in any of the shares mentioned. The Motley Fool UK has no position in any of the shares mentioned. Views expressed on the companies mentioned in this article are those of the writer and therefore may differ from the official recommendations we make in our subscription services such as Share Advisor, Hidden Winners and Pro. Here at The Motley Fool we believe that considering a diverse range of insights makes us better investors.

More on Investing Articles

Young Caucasian man making doubtful face at camera
Investing Articles

Time to start preparing for a stock market crash?

2025's been an uneven year on stock markets. This writer is not trying to time the next stock market crash…

Read more »

Santa Clara offices of NVIDIA
Investing Articles

Nvidia stock’s had a great 2025. Can it keep going?

Christopher Ruane sees an argument for Nvidia stock's positive momentum to continue -- and another for the share price to…

Read more »

Close-up of a woman holding modern polymer ten, twenty and fifty pound notes.
Investing Articles

£20,000 in savings? Here’s how someone could aim to turn that into a £10,958 annual second income!

Earning a second income doesn't necessarily mean doing more work. Christopher Ruane highlights one long-term approach based on owning dividend…

Read more »

Road 2025 to 2032 new year direction concept
Investing Articles

My favourite FTSE value stock falls another 6% on today’s results – should I buy more?

Harvey Jones highlights a FTSE 100 value stock that he used to consider boring, but has been surprisingly volatile lately.…

Read more »

UK supporters with flag
Investing Articles

See what £10,000 invested in the FTSE 100 at the start of 2025 is worth today…

Harvey Jones is thrilled by the stunning performance of the FTSE 100, but says he's having a lot more fun…

Read more »

Investing Articles

Prediction: here’s where the latest forecasts show the Vodafone share price going next

With the Vodafone turnaround strategy progressing, strong cash flow forecasts could be the key share price driver for the next…

Read more »

Front view of a young couple walking down terraced Street in Whitley Bay in the north-east of England they are heading into the town centre and deciding which shops to go to they are also holding hands and carrying bags over their shoulders.
Investing Articles

How much do you need in a SIPP or ISA to aim for a £2,500 monthly pension income?

Harvey Jones says many investors overlook the value of a SIPP in building a second income for later life, and…

Read more »

Friends at the bay near the village of Diabaig on the side of Loch Torridon in Wester Ross, Scotland. They are taking a break from their bike ride to relax and chat. They are laughing together.
Investing Articles

Can you turn your Stocks and Shares ISA into a lean, mean passive income machine?

Harvey Jones shows investors how they can use their Stocks and Shares ISA to generate high, rising and reliable dividends…

Read more »