Despite your resistance to hearing him drone on, you start to feel comfortable and smug in knowing that he has committed at least four common investing mistakes and that hopefully, this time he'll learn his lesson. This article will address eight of those common mistakes, including: investing in something you don't understand, falling in love with a company, lack of patience, turning over your portfolio too often, market-timing, waiting to get even, failing to diversify and letting your emotions rule the process.
1. Investing in Something You Don't Understand- One of the world's most successful investors, Warren Buffett, cautions against investing in businesses you don't understand. This means that you should not be buying stock in companies if you don't understand the business models. The best way to avoid this is to build a diversified portfolio of exchange-traded funds (ETFs) or mutual funds. If you do invest in individual stocks, make sure you thoroughly understand each company those stocks represent before you invest.
2. Falling in Love with a Company - Too often, when we see a company we've invested in do well, it's easy to fall in love with it and forget that we bought the stock as an investment. Remember: you bought this stock to make money. If any of the fundamentals that prompted you to buy into the company change, consider selling the stock.
3. Lack of Patience - How many times has the power of slow and steady progress become imminently clear? Slow and steady usually comes out on top - be it at the gym, in school or in your career. Why, then, do we expect it to be different with investing? A slow, steady and disciplined approach will go a lot farther over the long haul than going for the "Hail Mary" last-minute plays. Expecting our portfolios to do something other than what they're designed to do is a recipe for disaster. This means you need to keep your expectations realistic in regard to the length, time and growth that each stock will encounter.
4. Too Much Investment Turnover - Turnover, or jumping in and out of positions, is another return killer. Unless you're an institutional investor with the benefit of low commission rates, the transaction costs can eat you alive - not to mention the short-term tax rates and the opportunity cost of missing out on the long-term gains of good investments.
5. Market Timing - Market timing, turnover's evil cousin, also kills returns. Successfully timing the market is extremely difficult to do. Even institutional investors often fail to do it successfully. A well-known study, "Determinants Of Portfolio Performance" (Financial Analysts Journal, 1986), conducted by Gary P. Brinson, L. Randolph Hood and Gilbert Beerbower covered American pension-fund returns. This study showed that, on average, nearly 94% of the variation of returns over time was explained by the investment policy decision. In layman's terms, this indicates that, normally, most of a portfolio's return can be explained by the asset allocation decisions you make, not by timing or even security selection.
6. Waiting to Get Even - Getting even is just another way to ensure you lose any profit you might have made. This means you are waiting to sell a loser until it gets back to its original cost basis. Behavioral finance calls this a "cognitive error." By failing to realize a loss, investors are actually losing in two ways: first, they avoid selling a loser, which may continue to slide until it's worthless. Also, there's the opportunity cost of what may be a better use for those investment dollars.
7. Failing to Diversify - While professional investors may be able to generate alpha, (or, excess return over a benchmark) by investing in a few concentrated positions, common investors should not try to do this. Stick to the principal of diversification. In building an ETF or mutual fund portfolio, remember to allocate an exposure to all major spaces. In building an individual stock portfolio, allocate to all major sectors, and selectively to underweight sectors you feel might have potential. Do not allocate more than 5 to 10% to any one investment.
8. Letting Your Emotions Rule the Process - Perhaps the No.1 killer of investment return is your emotions. The axiom that fear and greed rule the market is true. Do not let fear or greed overtake you. Focus on the bigger picture. Stock market returns may deviate wildly over a shorter time frame, but over the long term, historical returns for large cap stocks can average 10 to 11%. Realize that, over a long time horizon, your portfolio's returns should not deviate much from those averages. In fact, you may benefit from the irrational decisions of other investors.
The Bottom Line - Investing mistakes are part of the investing process. Knowing what they are, when you're committing them and how to avoid them will help you succeed as an investor. To avoid committing them, develop a thoughtful, systematic plan and stick with it. If you must do something wild, set aside some fun money that you are fully prepared to lose. Follow these guidelines, and you will be well on your way to building a portfolio that will provide many happy returns over the long term.
Read more: Investopedia
The information contained in this article does not constitute a recommendation, solicitation, or offer by D2 Capital Management, LLC or its affiliates to buy or sell any securities, futures, options or other financial instruments or provide any investment advice or service. D2, its clients, and its employees may or may not own any of the securities (or their derivatives) mentioned in this article.
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