In categorizing stocks, the three basic criteria are location, size, and industry. Though it's nice to know the difference, it's far more important to understand how these categories perform under varying circumstances. For this introductory post, we'll define these categories and walk through a couple of examples to illustrate why categories matter.
Location: Foreign or Domestic or Both
A foreign stock is one that trades primarily on a foreign exchange where the issuing company is headquartered. A domestic stock trades on U.S. exchanges and is headquartered here. However, with increasing globalization, many domestic companies generate a large share of their revenues from abroad and vice versa.
As a result, the line between foreign and domestic has become blurred. For these companies that do a great deal of international business, their stocks can be referred to as global. As an example of a global company, Toyota is headquartered in Japan and trades primarily on the Nikkei in Tokyo. They also have stock that trades here in the United States on the New York Stock Exchange. This U.S. version of the company's stock is known as an ADR or American Depository Receipt.
The reason it is important to understand if a stock is foreign, domestic, or global, is that each category has its own set of risk and return characteristics. For example, if the euro appreciates against the dollar, foreign stocks of companies doing business only in the Eurozone will see added gains as a result of the currency exchange. In addition to currency fluctuations, some economies are expanding more rapidly than others. This is why many global companies are operating in developing countries like Brazil, India, and China. Since these economies are growing faster that the U.S., profit opportunities can be very appealing for global companies and their investors.
Size: Small, Mid, and Large Caps
Once we've categorized by location, the size of a company is the next consideration. Rather than go into a formal definition of size, we all recognize that there are small and large companies and everything in between. Large companies like General Electric or Google are referred to as 'large caps' where the word 'caps' refers to the market capitalization of the company.
Market capitalization is the total value of all shares outstanding and is the most common way to determine the size of a company. The exact number that determines whether a stock is a large, mid, or small cap varies from time to time and by who you ask. Two indexes that measure domestic large cap stocks are the S&P 500 and the Russell 1000. The S&P measures the 500 largest companies while the Russell measures the 1,000 largest companies in the U.S. As you can see, both indexes are used to measure large cap stocks, but each has a different take on what 'large' means.
Beyond the varying definitions of small, mid, and large, it's important to think of the companies represented by these stocks and how they make money during various parts of the business cycle (recession-expansion-recession). Take automakers as an example. When the economy is in recession, factories reduce production and work off any excess inventory of parts and finished vehicles. Once these companies believe the recession is ending, they will begin ordering parts to make vehicles again. These parts come from small companies who see profits many months before the large automakers. This means that smaller companies typically outperform their larger counterparts when the economy starts to expand again. More on this in a moment.
Industries
Once the location and size are identified, stocks can then be categorized by industry. As we saw with size, there are also varying definitions of industries. Morningstar is the company we go to first for investment data, and they have the following industry classifications:
- Communications
- Consumer Discretionary
- Consumer Staples
- Energy
- Financial
- Health
- Industrials
- Natural Resources
- Real Estate
- Technology
- Utilities
- Miscellaneous Sector
Within each of these broader industries are sectors. As an example, the financial industry includes the banking, investing, and insurance sectors. Regardless of how you prefer to breakdown these industries and sectors, as you manage your portfolio, it is imperative to have a good mix of industries and to weight them based on prevailing and expected economic conditions.
Obviously the financial sector was decimated during the Panic of 2008-09, but over the course of milder business cycles, there are some trends that repeat themselves. When the economy is going through a tough time, government spending usually remains flat or increases. This means that industries that have large portions of their revenues derived from government contracts will generally lose less money than those that don't. Case in point: defense. While people may travel less or spend less on luxury goods during recessions, defense contractors typically continue to make money because (1) the government continues to make purchases and (2) these contracts are typically of a multi-year variety making them impervious to economic fluctuations. By knowing how various industries respond at various points in the business cycle, you'll have a much better chance of weathering recessions and taking advantage of periods of expansion.
Application: U.S. Dollars vs. Euros
Above is a chart of the exchange rate of U.S. Dollars for Euros over the last two years. The circled areas represent a period of time where the dollar appreciated against the euro from one dollar for 0.63 euros to one dollar for 0.73 euros. This is a 15.9% increase in the value of the dollar against the euro.
The story behind this is that as the world dove deep into recession, fearful investors preferred the safety of dollars rather than euros. This move from non-dollar currency to U.S. greenbacks is known as a 'flight to safety'.
However, during this time period, there was also a precipitous drop in the value of the dollar relative to the euro from November through December of 2009 and is denoted by the diamonds on the chart. The drop from about one dollar for 0.80 euros down to 0.70 euros represents a drop of 12.5%. This illustrates the short-term volatility exhibited by currency exchange rates.
The important part of these observations is that if you invested in domestic stocks with no operations outside of the United States, you would have fared better than investing in stocks based in the Eurozone. On the other hand, companies with significant revenues in Europe would have made money on currency exchange during the decline in November/December of 2009. If you can understand trends in the value of currency, you can incorporate this information into the positioning of your portfolio. Foreign during times when the dollar is weakening and domestic when the dollar is strengthening.
Note: Currency exchange is one part of a much more complex story with investing internationally, but an important part nonetheless.
Application: Small vs. Large During Recovery
As touched on earlier in the story of automakers, smaller companies often feed off of revenues provided by larger companies. Additionally, small companies are better able to respond in changes in the economy thanks to their comparatively smaller size. When recovery in the stock market happens, small companies generally outpace larger ones.
In the chart above, the S&P 500 and Russell 2000 indexes are compared. Large stocks as measured by the S&P 500 gained over 70%, but small stocks represented by the Russell 2000 gained over 90%. This gap of 20% clearly demonstrates that small companies can significantly outpace large companies as recovery begins.
Had we included a chart of the same indexes from the peak of the market through the bottom, a different story would emerge. As the market goes into decline, the perceived safety of large 'blue chip' stocks improves their returns relative to small caps. This is a similar phenomenon to the 'flight to safety' described above.
Application: Consumer Staples vs. Transportation During Decline
In our final example, we take the case of industry sectors during a decline. The chart shows the performance of the Fidelity Select Consumer Staples Fund and the Fidelity Select Transportation Fund. During the market decline from October of 2007 through March of 2009, consumer staples held up much better than transportation stocks.
This should make sense, as consumer staples include stocks of companies that supply things like groceries and transportation stocks include airlines, freight, and shipping companies. When the economy moves into recession, people still buy groceries, but they buy far less of other goods and services that rely on transportation. The result in this case is a decline in consumer staples of just over 30% and a decline in transportation of over 55%. The difference between these funds was close to 25%, and if you anticipate a recession, it makes sense to stock up on consumer staples and to tread lightly with transportation.
Wrapping Up
In this post, you should have learned the many categories that are used to classify stocks. From domestic, foreign, and global stocks to small, mid, and large cap stocks to the variety platter of industries and sectors, there are many categories of equities. More importantly, you should now know that at various points in the business cycle and in response to economic events, some categories are in favor and others are out of favor. Knowing this can help you better manage your portfolio.
Critical Thinking
- When the market is declining, what categories should perform best? Worst?
- If you guess wrong about the direction of the market or the economy, what are the potential costs? What if you guess right?
- With respect to global stocks, how will exposure to a large variety of currencies affect their performance? What about their risk?
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