The stock market often looks like a place where money grows fast. But behind every profit, there are many losses too. If you have recently checked your portfolio and found it in the red, you are not alone. Market ups and downs are normal, but how you react to them matters the most.
In times like this, emotions can take over and make us act without thinking. The truth is, most investors lose money not because of the market but because of their mindset. Many people follow the wrong strategies, get overconfident, or hold on to bad stocks out of fear. These mistakes can cost a lot.
Let’s understand five major mental traps that cause regular losses to investors. More importantly, let’s talk about how to avoid them and become a smarter, more balanced investor.
1. Following the Crowd: Why ‘Herd Mentality’ Can Be Dangerous for Your Investments
You must have seen how people rush to buy or sell a stock just because everyone else is doing it. This is called herd mentality. When a particular stock becomes popular, news channels and social media talk about it constantly. That creates FOMO – Fear of Missing Out, and many people buy it without proper research.
A recent example is from the mid-cap and small-cap rally between early 2024 and September 2024. Lakhs of retail investors poured money into these stocks. But between September 2024 to February 2025, many of these stocks crashed more than 40%. Those who followed the crowd without checking the quality of the company suffered heavy losses.
What to do instead:
Ask yourself – does this stock match your financial goals and risk level? Do not buy just because everyone else is buying. Always research before investing.
2. Holding on to First Information: Why ‘Anchoring Bias’ Is a Hidden Danger
One common mistake investors make is trusting the first piece of information they hear. For example, someone hears that a top investor has bought a stock, and they blindly follow. This mental trap is called anchoring.
In 2018, a leading housing finance company’s stock crashed by 40% in one day. Many retail investors held on to it because a famous investor had invested in the same stock earlier. That company eventually got delisted in 2021. The result? Investors who stayed invested lost almost everything.
What to do instead:
Always stay alert and keep checking the latest updates. Big investors have their own reasons for buying a stock, and they can exit silently. Do not assume that one good opinion means guaranteed success.
3. Overconfidence: Thinking You Know More Than the Market
In bull markets, everything looks easy. Stocks go up, IPOs perform well, and new investors start believing they have cracked the code. But this is often just overconfidence. People stop taking advice, avoid experts, and invest based on their gut feeling.
This happened in the 2020-2021 bull market, when many people invested in newly listed companies and IPOs. But when the market corrected, several of those stocks fell more than 50%. Those who thought they knew it all ended up with big losses.
What to do instead:
Understand that the market is unpredictable. It’s good to learn and do your research, but stay humble. Keep learning, and always consult a financial expert when needed.
4. Fear of Losing: How ‘Loss Aversion’ Makes You Hold Bad Stocks
Many people fear losses more than they value gains. This is called loss aversion. Even when a stock is clearly performing poorly, some investors hold it in the hope it will bounce back someday.
From 2018 to 2020, a well-known private bank’s shares fell by 90%, yet thousands of investors did not sell. They hoped the price would recover. Unfortunately, this never happened, and they lost most of their capital.
This fear leads to emotional investing, where people hold bad stocks just to avoid accepting a loss.
What to do instead:
If a stock is hurting your financial goals, let it go. Accepting a small loss is better than facing a big one later. Sometimes cutting losses early is the smartest move.
5. Holding Stocks Just Because You Own Them: The ‘Sunk Cost Fallacy’
This is another mental trap – we often feel attached to the stocks we own. Even if their value drops, we don’t want to sell because we feel we’ve already put money in them. This is known as the sunk cost fallacy.
Many investors bought high-quality stocks at expensive prices on the advice of fund managers. But when these companies underperformed, they still held the shares, thinking they were valuable just because they had paid a high price. This emotional attachment led to big losses.
What to do instead:
Ask yourself a simple question – if I didn’t already own this stock, would I buy it today at this price? If the answer is no, then maybe it’s time to sell.
How to Become a Smarter Investor and Protect Your Money
Making money in the stock market is not only about picking the right stocks. It’s also about managing your behaviour and not letting emotions control your decisions.
Here are a few basic tips to stay on the right track:
- Make a clear plan: Set long-term financial goals and invest based on them.
- Stay updated: Follow market news and company updates regularly.
- Diversify wisely: Don’t put all your money into one stock or one sector.
- Avoid panic: When markets fall, don’t make hasty decisions.
- Review regularly: Check your portfolio every few months and remove weak performers.
Remember, even the best investors face losses. But the smart ones learn from mistakes, stay disciplined, and focus on long-term growth. The market rewards those who stay patient and stay informed.