“Diversification may preserve wealth, but concentration builds wealth.” – Warren Buffett
When buying stocks, one question that must be asked is, how many should I own? This is especially true for people who are wanting to build wealth and not just preserve wealth. It’s also a tough question. There’s an obvious answer at first, but there is also a ton of caveats to the answer.
If one had one stock or one industry that could consistently beat the market overtime, it would obviously make sense to concentrate on investing into that one stock or industry. It would create the most wealth. The issue, however, is what if the stock or industry one is concentrating on ends up underperforming? What if they get it wrong?
While concentrating on one or few stocks or industries is the smarter choice when done right, it is also far riskier. Because when it isn’t done right, it can be costly.
Diversification, on the other hand, can also be risky. One runs the risk of losing potential gains. Let’s say one has a diversified portfolio. They have a couple stocks that overperform the market while the rest of their stocks vastly underperform. They end up underperforming the market because their losers negate their winners. If they had concentrated their money into just the winners, they would have been in a much better financial position.
My portfolio is pretty diversified. A lot of my money is in exchange traded funds (ETFs), and these ETFs are very diversified. I then have my individual brokerage account that is pretty concentrated into select, mostly small-cap, stocks that I believe will beat the market over a long period of time.
While concentration, when done right, is the best way to increase wealth. My hatred of losing money is slightly greater than my wanting to make money even though I do believe that my portfolio will beat the market.
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