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December Insights: Don't Put All Your Eggs...

12/09/2024 Written by: Chuck Osborne, CFA

Don't Put All Your Eggs...

Have you ever finished someone else’s sentence in your head only to be surprised by what they actually said? 

Newly into my career, I was in Opelika, Alabama to conduct a 401(k) education session. Prior to the start of the meeting, I met the broker for the plan. After he heard I was from Atlanta but born in Greensboro, North Carolina, he seemed pleased. 

At the start of the meeting, he introduced me, saying “This is Chuck Osborne. He came down here from Atlanta, but don’t worry, he is actually from the South.” At one point during the meeting, the broker interrupted during my discussion on diversification. He said, “What Chuck is saying is that you don’t want to put all your eggs…..”

You know what comes next – everyone knows this one: You don’t want to put all your eggs in one basket. Except, that isn’t what he said. He said, “…under the same layin’ hen.” Ever since that day, any time I hear that cliché I now finish it, “…under the same layin’ hen.” 

Diversification in investing is one of the most sacred yet most misunderstood concepts. To some degree this is on purpose. The more transactions an investor makes, the better, and no concept has led to more transactions than diversification.

This does not mean that diversifying the portfolio is not the right thing to do; However, it is often misunderstood, even by people within the industry. I recall another story a little later in my career, when a speaker at a conference said something you have probably heard before: “Diversification, as we all know, leads to reduced risk and better returns.” That is not true.

In her own example she used theoretical expected returns and expected volatility, or risk. The investment with the highest expected return in her example had an expected return of 12 percent. I explained to her that there was no combination of investments in her example that would achieve a return of 12 percent, let alone exceed it. If maximizing the expected return regardless of risk was the goal, then the investor would put 100 percent of her money in the 12 percent investment.

This is all theoretical, since the actual returns and expected returns don’t often match in the real world, but the issue to understand here is that diversification is about defense, not offense. If wanting to become filthy rich is your goal, then taking a gamble on your investment is the way to do it. 

Don’t believe me? Look at all the billionaires. Almost every single one of them is there because they put all, or at least most, of their eggs under the same layin’ hen. In most cases it was a company that they founded and/or managed, but it is almost always just one company: Jeff Bezos and Amazon, Bill Gates and Microsoft. The notable exception would be Warren Buffett, who made his money through investing, but Warren Buffett’s investment portfolio is notably concentrated. At one point during his rise, American Express was almost a third of his entire portfolio. In fact, if one were to take that out, then there is a good chance you would have never heard about Warren Buffett.

However, for the vast majority of us, getting filthy rich is not, in fact, the point of investing. Most of us are searching for financial independence, the ability to retire. Far more of our clients view their portfolio as a means for safety and stability than as a means for riches. This is where diversification comes to play.

Diversification is about defense. Prudent investing is risk-averse, and risk is largely controlled by not putting all your eggs under the same layin’ hen. This leads to the next fallacy about diversification: that it is just about spreading out, and the more the better. If only it were that simple. Just buying a lot of investments will not necessarily diversify an investor; In the 401(k) world, we learned this the hard way during the dot-com bust in 2000.

Leading up to the bust, the trend for retirement plan sponsors was to give participants as many options as possible. Knowing they needed to diversify, participants would tend to own four or five different funds within the plan. Most often they picked funds based solely on how they were performing. At any given time in the market, the funds that are performing the best are all investing in the same things; In the late 1990s this meant they were investing in internet companies. When that bubble burst, the 401(k) participants who thought they were diversified because they owned several different funds found out the hard way that every fund they owned was investing in the same things. In other words, all their eggs had been under the same layin’ hen.

This happened again in the financial crisis of 2008, this time with mortgage-based investments. The pros on Wall Street figured that it was safer to invest in hundreds of mortgages that one had no way of actually analyzing than it was to invest in, say, 20 very carefully underwritten mortgages. When fear gripped the mortgage market, the investors realized they had no way of knowing how many bad mortgages were in those securities; the diversification of hundreds of mortgages in one package became a liability as people feared they could all be bad. Panic ensued, and a full-blown crisis was at hand.  

Wall Street loves the more-is-better diversification fallacy, because the more transactions an investor makes, the more money Wall Street makes, regardless of whether it actually benefits the investor. So, this more-is-better diversification fallacy continues to get pushed. 

Real diversification is about carefully selecting investments that are truly different and will likely do well under different circumstances. One of the pioneers in this idea was the economist John Maynard Keynes. While he is mostly known for his economic theories, his greatest actual success was his ability to invest. Keynes ran what today would be considered very concentrated portfolios. He believed it was better to own a few companies with which he was very familiar than to own many companies of which he knew little.  However, Keynes would purposely select companies whose businesses would thrive in different circumstances. One example he used to illustrate this idea was a battery company. If he owned a battery company, he would then ask himself, “What is the greatest risk to their business?” His answer was the rising cost of raw materials, so his solution was to also invest in a raw material company. If the cost of raw materials dropped then the material company would suffer, but the battery company would benefit. If raw materials increased in price, then the opposite would happen. Either way at least one of his stocks would do well. This is diversification.  

Today we use this same idea in our portfolios. Our core equity portfolio only has 20 to 30 stocks at any given time, but it is diversified. We own technology companies that do well when growth dominates the market’s mindset, but we also own energy companies and banks, which do well when value leads the way.  

In our model portfolios within retirement plans we invest in large companies, small companies, and international companies. They tend to do better at different times, and we will tilt one way or the other depending on what is happening, but we never  go all in on one type of investment. We do not have to own hundreds of funds to do this; in fact, owning that many would add nothing in terms of diversification and would likely detract from the return. We carefully select high-quality funds that are all truly different from one another. That is how diversification is supposed to work.  Prudent investing is done from the bottom-up. This means that you know what you own and why your own it, and that can be done only when you diversify appropriately. If you simply buy hundreds of stocks, then you cannot really know what you own, and this ultimately leads to financial ruin. 

Prudent investing is absolute return oriented. At any given time in the market there will be one area, or even one stock, which is driving everything. If you get sucked into competitive investing, always comparing your  returns to someone else or some market index, then you will give up on diversification and go all in on what is working today. What works today is seldom what works tomorrow, and this approach leads to chasing returns yet never achieving returns.   

Diversification means we will own investments that are not doing great right now, yet these are often the investments that do the best in the next cycle. This leads us to the third step in prudent investing - it is risk-averse. This means not going all-in on what is hot at the moment, because we cannot know when, but we do know that the moment will pass and when it does, it is  the other investments that often save the day.  Diversification is not as simple as it may seem. If you invest in the S&P 500, then you own 500 stocks, but the makeup of the index means that only 10 or so stocks drive the whole return, and they are all large technology companies whose fates are closely aligned, so you’re not diversified. Another investor may own as few as 20 individual stocks, but if they are carefully  selected, they could be well diversified. It is not about the number of investments, but about their relationship to one another. 




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