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  • When Size Falls Short

    July 22, 2026

    ·

    Jon Petersen, CFP®

    Some of the biggest US companies have had a great run over the last decade. The performance has been so good that some of the biggest companies outperformed the S&P 500 and rekindled concerns around market concentration. Is this recent occurrence unique to today or backed by history?

    Henrik Bessembinder answered that questions with his latest research into “do nothing” portfolios. One of the things he looked at was the performance of concentrated portfolios in the largest S&P 500 stocks compared to the overall index.

    Bessembinder broke down the largest stocks into four market cap-weighted portfolio buckets: the single largest stock, 10 largest stocks, 50 largest, and 100 largest. Each portfolio was rebalanced each year into its corresponding number of largest stocks starting in 1971. Returns where then calculated through 2025 and compared to a portfolio of all S&P 500 stocks.

    The results are below.

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  • Weekend Reads – 7/17/26

    July 17, 2026

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    Jon Petersen, CFP®

    Quote for the Week

    There are some principles that people need to learn. One is to look widely. Be open-minded about every form of investing in every nation. Don’t let yourself get misled by trying to limit yourself to one area.

    Our second principle would be diversification. Of course, nobody knows what tomorrow will bring, so it’s not wise to put too many eggs in one basket. Nobody should ever have over half of their total investments in one nation, over half their investments in one industry, and perhaps no more than one fifth of their investments in one corporation, so a worldwide search is better than a local search. Diversification is a safety factor that is essential because we should be humble enough to admit we can be wrong. — John Templeton (source)

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  • Stocks and Stock-Jobbing in Wall Street by William Armstrong

    July 15, 2026

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    Buy the Book: eBook

    Published in 1848, by “a reformed stock gambler,” this pamphlet acts as a guide to new investors in the stock market. William Armstrong shares the ins and outs of Wall Street operations, the brokerage business, and “fancy stocks.”

    Stocks and Stock-Jobbing in Wall Street book cover

    The Notes

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  • Weekend Reads – 7/10/26

    July 10, 2026

    ·

    Jon Petersen, CFP®

    Quote for the Week

    That gets me to the point about the relationship between gambling and investing, that is, what you learn from one helps with the other. Gambling games are, for the most part, an area where you can calculate the odds, the probabilities, in detail and get them rather exact. There are some exceptions, like sports betting and so forth, that are more like social or financial markets. But you can actually come into a gambling game with known probabilities and get answers. You have the advantage, like you have in the physical sciences, of so-called repeatable experiments. You can simulate a gambling game a million times if you want because you know the probabilities. It’s much more difficult in the securities markets because we just have one history from which we have to infer what’s going on, and the probabilities that we have are not exact—they’re just estimates. We’re in a world that’s controlled by people, which evolves in complex ways that we don’t fully understand. So you don’t have the same simple rules you have in the physical sciences and in the calculations that are behind gambling games. Nonetheless, the things you learn about gambling games carry over, in large part, to the investment world. — Ed Thorp (source)

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  • 2026: Q2 Returns

    July 8, 2026

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    Jon Petersen, CFP®

    The first quarter of 2026 reminded us how quickly markets can change for the worse. The second quarter did too in a good way.

    Broader markets started the year strong but then geopolitical chaos spilled into markets in March pushing most global indexes lower. Broader indexes closed the first quarter flat to a small loss.

    The recovery was unexpectedly swift with almost all global markets higher in April and May. Broader markets finished the second quarter positive.

    Emerging markets lead through Q2 with a 24.0% total return. Small caps follow closely behind at 22.6%. US large caps more than recovered at 10.2%, followed by international markets at 9.8%.

    Overall, a diversified portfolio came in handy this year. It helped stem the slide in March and took advantage of the quick recovery. It also benefited from some craziness in emerging markets too.

    Parabolic moves are rare in market indexes. Unless that index is concentrated in a small number of stocks. For example, the MSCI South Korea index, part of the MSCI Emerging Markets index, is made up of 77 stocks. Not a small number, by any means. Yet, look at its recent performance.

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  • Weekend Reads – 7/2/26

    July 2, 2026

    ·

    Jon Petersen, CFP®

    Quote for the Week

    My study of history will not lead me to make any definite forecasts involving numbers and dates. That may be a disappointment to some, but it certainly is a great relief to me. The applicability of history almost always appears after the event. When it is all over, we can quote chapter and verse to demonstrate why what happened was bound to happen because it had happened before. This is not really very helpful. The Danish philosopher, Kirkegaard, made the statement that life can only be judged backwards, but it must be lived forward. That certainly is true with respect to our experiences in the stock market.

    Yet, I think that a knowledge of history — general history, financial history, stock market history — will be found useful for a broad perspective in planning one’s course, even though it may create uncertainty and humility rather than cocksureness with respect to the immediate future. — Benjamin Graham (source)

    Continue Reading…

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