In an earlier post I discussed the use of diversification as a means to mitigate non-systematic risk (i.e., risk that is unique to a specific company).
If, for example, you happen to be bullish on oil, investing in a fund that holds a variety of oil company stocks greatly reduces the severity of decline in your portfolio if one of the companies experiences an Exxon Valdez or BP Deepwater Horizon event. So diversification involves taking somewhat smaller positions in several companies that participate in similar markets.
But let’s now imagine that a major university reports that researchers have discovered a means by which zero point energy-based power generation systems can be commercialized, and with it the potential for electricity that is truly “too cheap to meter.” In this scenario, the stock prices of all oil companies in your fund, and thus the price of your fund itself, would plummet.
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