To finish the story, I made a decision in 1997 that my clients would earn their fair share of market returns through a portfolio of very low-cost index mutual funds and exchange-traded funds that track industry benchmarks.

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But beer prices in Ghana are so volatile, as three firms Heineken, Guinness and South African Breweries battle for market share, that the next beer index may tell a different story.

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The Chinese market had its best day in two months, and the chart of the Shanghai A Share Index is starting to look more interesting.

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Among companies with succession plans, those that underperformed the market saw their share price fall an average 4% below the index, compared with a downside of 7% and 13%, respectively, for unexpected resignations and crisis-related transitions, such as fraud and restructuring.

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Peugeot, a founding member of the main French stock market index, the Cac-40, was demoted last year as a result of its tumbling share price.

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He made the point that all investors are entitled to their fair share of market returns, and the best way to capture these returns is with a portfolio of low-fee index funds.

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