Should You Sell After a 30% Stock Gain? 3 Decision-Making Principles to Beat the "Sold Too Early" Anxiety
In this article, you'll learn:
Recently, some of my stocks and U.S. equity holdings have exceeded 30% in returns. For many people, investing might still be uncharted territory, or maybe you’ve already achieved even higher returns in the market. Either way, what I want to share with you today goes beyond just the numbers.
Looking back, the old me would have been frantically trading in and out of that 30% gain, trying to catch every single wave. But now, I’ve learned to keep adding to my positions because I believe in the long-term growth of the market — individual stocks rise and fall. My portfolio has included names like MediaTek, Shuanghong, and Evergreen, but my strategy has shifted from short-term trading to swing holding and waiting.
My Investment Journey
My investment journey evolved from frequent trading to consistent dollar-cost averaging — a process of deeply understanding market patterns. Along the way, I learned how to find stable returns in a volatile market and became aware of the risks and opportunities in individual stock investing. These definitions are different for everyone. I'm simply sharing my experience and views — this is not a guarantee of returns.
The Core Difference Between Investing and Speculating
Many people confuse investing with speculating, but there’s a fundamental difference between the two. Investing is based on confidence in a company’s or market’s long-term growth, while speculating relies more on short-term market fluctuations. For example, Tesla’s stock performance in 2023 versus 2020 clearly shows how individual stocks can be influenced by specific factors that may be completely different from the overall market trend. While U.S. stocks kept hitting new highs, Tesla’s stock might have stayed flat or even dropped.
At its core, investing means you stay confident no matter when you buy in. When investing in the market, you must have this kind of conviction. But when speculating on individual stocks, you need to stay on your toes at all times.
Risk Management in Speculation Is Basically Financial Planning
In stock speculation, risk management becomes extremely important. Every investment decision should be based on deep analysis of a company’s fundamentals, including management capability, market prospects for its products, and the health of its financial reports. This requires investors to not only have solid market knowledge but also the ability to do meticulous financial planning. When you buy an investment, you have a reason. When that reason disappears, your reason for holding also disappears — that’s a form of risk management. For example, when I buy individual stocks, sometimes I add to my position, and sometimes I take profits, but I rarely cut losses. The reason is that typically, the rationale for buying outweighs the rationale for cutting losses.
What fundamentally supports all these strategies is financial planning. Only well-planned finances can support the uncertain risks that stock market volatility may bring. Because when you’re losing, you can still sleep at night, and when you’re winning, you can afford an extra chicken leg with your lunch box.
Buy More When It Drops, Buy More When It Rises Too
Many people chase highs when stocks go up and cut losses when they drop — but what’s the basis for calling something “high” or “low”? Is it a feeling, or is it your strategy?
My approach is usually to buy more when prices drop (picking up bargains) and also buy more when prices rise (expanding gains). These decisions come from having mid-to-long-term confidence in the industry or company.
Cut Losses When It’s Flat — Not When It’s Moving
I usually cut my losses when a stock is neither rising nor falling. The “loss” I’m cutting isn’t entirely about actual profit and loss — it’s about cutting the loss of time value. If a stock just trades sideways in the same price range after I buy it, then it’s not a holding that’s generating any time-based returns.
Craft Your Investment Strategy
A successful investment strategy should be built on a clear understanding of your own financial goals. Whether you’re seeking long-term growth or short-term profits, understanding your risk tolerance and setting reasonable targets is crucial. Furthermore, as market conditions change, adjusting your strategy in a timely manner is just as important.
Further Reading
Lazy Conclusion
Whether you’re investing or speculating, the most critical thing is your financial plan — whether it allows you to move in and out of the stock market with funds you can afford to gain or lose.
Next is whether your investment strategy can be formulated and executed with solid reasoning and evidence, then adjusted after validation. And throughout this process, can you look at all those gains and losses without any emotional turbulence?
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