Common mistakes in stock trading that investors should avoid

Stock trading is the buying and selling company shares on a stock market. It allows investors to benefit from successful companies’ growth and share in their prosperity. However, it also carries risks, as investors can lose money if the value of their shares falls.

There are two types of stock markets: a primary market and a secondary market. The primary market is where new shares are issued by companies, while the secondary market is where existing shares are traded between investors. In the Netherlands, most stock trading takes place on the secondary market.

The Amsterdam Stock Exchange (AEX) is the primary stock market in the Netherlands. It is a regulated market, meaning there are rules to protect investors. For example, companies must meet specific listing requirements to have their shares traded on the AEX.

The AEX is part of Euronext, the leading pan-European stock exchange. Other markets in Euronext include the Brussels Stock Exchange and the Paris Stock Exchange.

Stock trading involves risk and should only be done with the money you can afford to lose. Remember that share prices can go down and up, and you may not revert the total amount you invested. If you are considering investing in shares, it is essential to understand the risks involved and to get professional and reliable financial advice before making any decisions.

This article will discuss some common mistakes investors make when trading stocks and how to avoid them.

Some common mistakes to avoid in stock trading

Below are 6 common mistakes that traders make when placing trades in the stock market:

Not doing your research

One of the investors’ most common mistakes is not doing enough research before buying or selling shares. It is essential to understand the company whose shares you are buying and the wider industry and economic conditions.

There are many ways to research companies and industries, such as reading financial news and analysis, attending investor presentations, and speaking to analysts. You can also find information on companies’ websites and annual reports.

It is also essential to keep up to date with economic news, as this can affect share prices. For example, if there is a recession, this may lead to falls in stocks across the board.

Buying shares without a plan

Another common mistake is to buy shares without having a clear investment plan. It is essential to have a strategy for when to buy and sell shares and an exit plan for when things go wrong.

Your investment plan should always be based on your financial goals and the amount of risk you are willing to take. For example, if you are investing for retirement, you may be more willing to take risks than if you are investing for a short-term goal such as a holiday.

Failing to diversify your portfolio

In the Netherlands, portfolio diversification is a crucial part of any trading strategy. It is imperative in stock trading, which means investing in a range of different companies and industries so that your portfolio is not reliant on just a few stocks.

Diversification reduces the overall risk of your portfolio, as you are less likely to lose money if one or two stocks fall in value. It also allows you to profit from a broader range of companies.

There are several ways in which to diversify your portfolio, such as investing in different sectors, investing in different countries, and using financial instruments such as derivatives.

Not monitoring your investments

Another common mistake is failing to monitor your investments regularly. Constantly monitor the performance of the companies you have invested in and the overall stock market.


The above are several common mistakes that investors make when trading stocks. By avoiding these mistakes, you can improve your chances of making a profit from your investments. Doing your research, having a plan, diversifying your portfolio, and monitoring your investments are all important things to keep in mind when trading stocks. Saxo Bank Netherlands offers a free demo account for new traders to try out different strategies before investing real money, and for them to get used to the trading platform to execute trades efficiently.