Index Mania: On Top of the World

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Karen Carpenter was one the greatest singers of my lifetime. One of her biggest hits was called, “Top of the World.” The key line of the song says, “I’m on top of the world looking down on creation and the only explanation I can find, is the love that I’ve found ever since you’ve been around, you most put me at the top of the world!”

The great Vanguard Windsor manager John Neff used to say, “When you want to brag about a stock, you ought to sell it.” What has been happening lately in our interactions with our current and potential investors all around the world is startling. Asset allocators are repeatedly telling us that if they sold any of their core position in the S&P 500 Index, they would get fired by their customers. In other words, the S&P 500 Index is “on top of the world!”

A little history is in order on this subject. A very smart man at Vanguard (yes, the same Vanguard as John Neff) named Jack Bogle figured out that for most stock market investors, it was foolish to try to beat the stock market return. Vanguard acted on this by creating the first fund which owned the S&P 500 Index. The diversification of owning 500 stocks and the low expense ratio has been a winning combination for decades. Today, there is approximately $1.3 trillion in just Vanguard’s fund and ETF version of the S&P 500 Index.

Unfortunately, every good investment discipline becomes problematic if it gets universally adopted and/or over-owned. The late one-time leader of Intel in its glory days, Andy Grove, was quoted in Fortune magazine as saying the best business advice he got from his professor at the City College of New York was this: “When everyone knows that something is so, nobody knows nothing!” What is it that everybody knows?

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