The first time your own money drops ten percent, something happens that has nothing to do with spreadsheets. You check the app in the elevator. You read three articles before breakfast. You start describing the market as carnage at dinner. None of that makes you a bad investor — it makes you a normal one. What separates people who come out of a correction with their capital and their composure intact is rarely superior intelligence. It is a short list of mistakes they have learned to recognise before making them.
Selling into a falling market feels like taking the wheel. You are doing something, and doing something is soothing when prices are sliding. But a sale at the bottom does not reduce risk; it converts a temporary paper loss into a permanent one, and it replaces one decision with two. Now you have to decide when to sell, and then when to buy back. The second decision is always harder than the first.
There is a subtler trap inside the panic sale. When people trim in a hurry, they usually sell whatever hurts most — which is often the position they own most of, or the one that fell hardest for reasons that have nothing to do with the business. Sell because you need the money, because the thesis broke, or because the position outgrew your plan. "It kept going down" is a description, not a reason.
Try this before you place the order: write your reason in one sentence, dated, and read it back as if a friend had sent it to you. If it sounds like a weather report, wait a day. Corrections rarely punish a twenty-four-hour delay, but they often punish a reflex.
Plenty of investors sidestep the panic sale and then fall into the next ditch: they go to cash "just until things calm down." That sounds defensive. In practice it is a fresh market-timing bet taken at the moment your confidence is lowest, and it usually requires you to be right twice.
Nobody announces the low. The strongest days in a recovery tend to arrive close to the worst headlines, which is exactly when buying feels least sensible. The investor who waits for reassurance tends to re-enter higher, having paid a fee in missed rebound for the privilege of feeling calm. A useful test: if you could not have named the bottom in advance last time, you will not name it this time either.
Corrections are uncomfortable precisely because the information you want does not exist until the move is over.
Corrections do not create concentration. They reveal it. A stock that tripled over four good years might now be a third of your portfolio, and you never explicitly decided that. When the drawdown comes, you are no longer watching one holding wobble; you are watching your retirement wobble.
Concentration hides in other places too:
During a correction, this is worth an honest look rather than a dramatic restructuring. Ask what percentage of your net worth sits in any single idea, and whether you would accept that percentage if you were starting from cash today. If the answer is no, you have found something to fix — gradually, and preferably not all on one red afternoon.
A correction hands you a rebalancing signal for free. If your target is 60% shares and 40% bonds, a sharp equity fall might leave you at 55/45. Buying shares back up to target means buying when they are cheaper, mechanically, without a forecast. That is the whole point of a policy you set in calmer weather.
Most people do the opposite. They rebalance diligently in good years, when it means trimming a winner and feels prudent, then stop in a drawdown, when it means adding to the thing that is falling and feels reckless. The instinct is understandable and backwards.
Use bands rather than perfect precision: rebalance when an allocation drifts more than a set number of percentage points from target, or simply once a year. Where possible, rebalance with new contributions instead of sales — directing fresh money into the lagging part of the portfolio achieves the same thing with fewer tax consequences. If your accounts are taxable, check what each sale would trigger before you act, and consider using tax-advantaged accounts for the tidying up.
Plans tend to be rewritten at the worst possible moment. Someone drafts a sensible long-term approach when the portfolio is up and the outlook is pleasant, then replaces it with a new one during a drawdown, having just learned what losing money feels like. The new plan is not usually better. It is optimised for the last three months.
The same applies to quiet drift: switching from a growth approach to a dividend approach, adding a "defensive" fund, moving to cash "temporarily" and never coming back. Each step feels small. Together they produce a portfolio nobody designed.
A one-page investment policy helps more than any forecast. Write down your target allocation, your time horizon, why you own each piece, and the conditions under which you would genuinely change your mind. Change that document when the market is quiet, not when the screen is red. If a decision feels urgent during a correction, that urgency is information about you, not about the market.
Reduce the number of inputs. Checking a long-term portfolio several times a day is not diligence; it is a way of paying for the same bad news repeatedly. Once a week is plenty for most people, and for some, once a month is better.
Keep a short journal: the date, what you did, and why. In the next correction — and there will be one — those notes will be the most honest adviser you have, because they were written by someone who was there.
Protect yourself from being a forced seller. An emergency cash reserve and no expensive short-term debt do more for your investing behaviour than any clever allocation. Automate contributions so that buying continues when you would rather not think about it, and be careful with leverage and margin, which turn a correction into a deadline.
Finally, talk to someone. A calm friend, a fee-only adviser, anyone who will ask what you are trying to achieve rather than what the index did this morning. This piece is general education, not personal advice: if your situation involves retirement income, tax, debt, or a concentrated position tied to your job, get advice from someone licensed who can see the whole picture.
The market will correct again. Your job is not to predict it. Your job is to have written down, in advance, what you will do — and then to do that ordinary, unexciting thing.
Photo: Olichel / Pixabay
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