stocIQ

Behavioral Finance

Common Investing Mistakes: FOMO, Panic Selling and Return Chasing

Understand common investing mistakes, from following tips to panic selling, with a practical checklist for making calmer mutual fund decisions.

stocIQ Team · 3 min read · Updated

Originally published

An orange ball paused at a fork in a blue maze, illustrating a considered investing decision.

An investing mistake can begin with a perfectly ordinary feeling: excitement about a friend's gains, discomfort when your balance falls, or frustration when another fund performs better. Recognising the feeling gives you time to check the decision before acting on it.

Buying because everyone else seems to be winning

Fear of missing out can turn a popular investment into an urgent purchase. Imagine you have saved for a deposit due next year. A colleague describes a successful equity investment, and you consider moving that deposit money into the same fund. The colleague's result does not change your deadline or your ability to absorb a loss.

Before following a tip, write down the goal, withdrawal date and downside you could handle. If the investment only makes sense because you expect a quick gain, pause and read its documents.

Selling only because the market has fallen

A falling portfolio feels different from a hypothetical loss in a questionnaire. Selling immediately can lock in a loss; staying invested without reviewing a changed situation can also be a mistake. The useful question is whether your goal, cash needs or the investment itself has changed.

A separate emergency buffer can reduce pressure to sell for an unexpected bill. Our emergency fund checklist helps you think through that buffer.

Treating last year's winner as next year's answer

A high recent return is one observation, not a forecast. Different strategies perform differently as market conditions change. Compare a fund with an appropriate benchmark and similar funds over the same dates; understand the risks taken to produce the result.

Avoid comparing a sector-focused equity fund with a diversified debt fund as though they solve the same problem. Use our mutual fund research checklist to structure the comparison.

Looking only for opinions that support your choice

After choosing a fund, it is tempting to read only favourable reviews. Deliberately ask the opposite question: what could make this investment unsuitable for my goal? Look for concentration, access restrictions, costs and the possibility that your income or timeline changes.

Keep a short decision note

  • What job does this investment do in my finances?
  • When might I need the money?
  • What risks and costs have I checked?
  • What would justify a review or a change?

Keep the note with your investment records. At your next review, compare the situation with the note rather than with the latest headline. A risk-tolerance assessment can prompt useful questions, but it does not replace checking your financial capacity for loss.

Frequently asked questions

Should I stop an SIP when markets fall?

A market fall alone does not decide the answer. Review your cash needs, goal timeline and the scheme risks. Continuing an unaffordable SIP or cancelling solely out of fear can both undermine a plan.

How often should I review my investments?

Choose a review schedule you can maintain, and also review after a major life or financial change. A review does not have to result in a transaction.

Sources and further reading

Sources checked 20 Oct 2026. Check the latest provider documents for scheme-specific terms and processes.