I have to be honest: years ago, I was also a fool. Every day I stared at candlestick charts deep into the night, convinced I could bottom-fish and escape at the top — until the 2020 pandemic crash wiped out the down payment I’d been saving for a home. Only later did I realize: the market wasn’t ruthless — I had stepped into a fatal trap.
Lately the global stock market has been on a roller coaster again — up one day, down the next. Some shout that a bull run is coming; others say the bubble is about to burst. The truth is, all that back-and-forth is irrelevant. The only question that matters is: no matter whether the market goes up or down, can you hold on to your money? I’ve seen too many heartbreaking examples — they really cut deep.
In every crash, even if the index drops another leg, it never goes to zero. Even a 50% drop still leaves half your principal. So why do some people lose everything, big piles of it, while others come through fine? It’s not that the market is too cruel — it’s that our mindset and our actions step by step push ourselves into an abyss from which there is no return. Today I won’t use jargon. I’m going to talk from the heart: why does a single crash wipe someone out? Why can no one precisely time a crash? And more importantly, how do you survive a crash?
The Nature of a Crash: You’re Always Guessing the “Last Block”
Before we get to specific tactics, understand one principle — a principle that can completely change the way you look at the stock market.
Many experts analyze the stock market as if they’re repairing a precision instrument. They calculate supply and demand, calculate valuations, and believe the market will balance itself. But reality is nothing like that — the stock market is not a machine; it’s more like a crowd of people squeezed into a square, pushing each other, some panicking and running, some going crazy grabbing, influencing each other in total chaos. A small stir can trigger massive disorder, and this disorder we call a “complex system.”
Let me give you a simple game. As a kid, we all played with stacking blocks: you stack them one by one. Most of the time adding one more block only makes the tower a little taller, but sometimes just one small block too many, and the whole tower comes crashing down. That is the most critical concept in complex systems — the “critical state” — the block tower becomes so shaky at a certain height that whichever block you add next might bring it down.
Think about it: is that last block special in any way? No. It is identical to every other block. What truly decides whether the tower falls is not the last block — it is that the block tower itself has already been pushed to a dangerous edge. And you never know how badly the tower will fall when it does — sometimes only a few layers, sometimes the whole thing.
Apply this to the stock market and you’ll understand everything. Many experts spend their days analyzing whether this crash is because of a Fed rate hike, an Apple earnings miss, or some fund blowup. They argue back and forth, all obsessing over the last block. What really matters is whether this stock-market tower has already been pushed into a critical state — if stock prices have been bid up to extreme highs, if everyone is piling on leverage, if everyone believes they can make money, then any small thing can trigger a crash.
The same thing happened last year and the market shrugged it off. This year, the same event might ignite a crisis. It’s not that the event has gotten bigger — it’s that the market itself was already dangerous.
Why “Buy More on the Way Down” Is Suicide
Stacking blocks has another rule — small collapses are common; big collapses are rare. The stock market is the same: small corrections come every few years, but devastating crashes might come only once every ten-plus years. We often hear about “once-in-a-century” financial crises — that’s not an exaggeration, it’s because this kind of extreme risk is utterly devastating.
There’s an even more dangerous trap you must watch out for: if the block tower is already wobbling and you keep stacking on top, when it finally falls, it will be worse — and more total. It’s like the saying, “the longer you delay, the worse it gets; the more you hoard, the riskier it becomes.”
I’ve seen the retail investor’s script too many times: when it first drops 10%, he thinks, “Let’s wait and see, maybe it’ll go lower.” At 20%, he thinks, “Wait a bit more, maybe it’ll rebound.” At 30%, he can’t help himself and goes bottom-fishing, throwing all his cash into stocks. Then it keeps dropping to 40%, and he has no money to add. At 50%, he gives up and sells out — already wiped out.
There’s a “well-intentioned but harmful” psychology behind this: every additional 10% drop, your brain tells you “it’s cheaper, pick it up.” But in reality, the entire tower is already shaking when you buy. You’re not picking up bargains — you’re catching the knife for the big players.
Real pros never brainlessly bottom-fish. They only make trades that are logical and grounded — whether the market goes up or down is a result, not a reason to buy. For retail investors to survive a crash, the first iron rule is: when you’re about to “buy more on the way down,” first ask yourself, if it drops another 30%, do you still have money to add? If not, what you’re doing right now is suicide.
Three Iron Rules for Retail Investors to Survive a Crash
Rather than trying to guess which day the crash comes or which day is the bottom, build a system that lets you walk away alive no matter what the market does. These are the three iron rules I summarized from my own painful lessons:
Iron Rule 1: Always keep 30% in cash. This is the most important one. When everyone is shouting “this time is different” or “go all in,” having 30% in cash completely changes your mindset. When the crash comes, you don’t have to sell at the bottom just to survive — you can calmly use that cash to pick up bargains slowly at the bottom. Cash is the retail investor’s only friend in a crash.
Iron Rule 2: No single stock should exceed 10% of total capital. No matter how much you like a company, the cap on any one stock is 10%. Many people suffer huge losses in a crash not because the market fell too far, but because they put all their eggs in one basket and a black swan wiped them out to zero. Diversification won’t make you the most money, but it guarantees you will always have a chance to wait for the next bull market.
Iron Rule 3: Write your stop-loss line on paper and stick it next to your monitor. Before you enter, set a rule like “if it drops 15%, I’m out,” write it down, sign it, stick it next to your screen. During a crash, your brain automatically rationalizes: “This time is different,” “It’ll rebound if I wait,” “I’ve already lost so much, selling now doesn’t make sense” — all of those are voices pushing you into the abyss. A pre-written stop-loss line is the only tool that can fight those voices.
Conclusion: Bottom-Fishing Is Not Investing — It’s Faith
Keep the Jenga Tower Effect in mind. When you see everyone around you piling in, when the media headlines all say “10,000 points is not a dream,” when the coworker who never talks about stocks is suddenly asking you what to buy — that is the signal that the Jenga tower is shaking.
A crash is not the end of the world. The real end of the world is going all in before the crash, leveraging during the crash, and giving up after the crash. The market will rebound — it always has, every time. The question is: when it rebounds, are you still in the game? Is your principal still there?
Stop trying to play the stock market with a “picking up bargains” mentality. Real investing is an allocation that lets you sleep peacefully no matter what the market does. Real survival is having cash, discipline, and a tomorrow, even in the darkest hour.
Starting today, delete those four words — “bottom-fish fastest” — from your dictionary. Replace them with another sentence: hold the cash, wait for certainty, refuse to go all in. Retail investors who can do these three things are already ahead of 90% of people out there.
Disclaimer: The historical crash events and market situations discussed in this article are general educational illustrations, and past performance is not indicative of future results. All investment targets carry risk; prices of stocks, ETFs, and funds fluctuate. Before retail investors engage in any bottom-fishing, all-in, or margin behavior, please carefully assess their own risk tolerance and consult a qualified financial advisor if necessary. This article does not constitute any buy or sell recommendation.
Tags
Bottom-Fishing Trap, 股市崩盤, 散戶生存指南, 複雜系統, Margin Call, 滿倉風險, Mental Toughness, Stop-Loss Discipline, Cash Position, 熊市生存
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