One of the main reasons why businesses diversify across business risk is because they are preventing the likelihood of failing and going bankrupt. As an example, firms often invest in hedge funds that from an operational perspective, examined in isolation, are risky- as are technology stocks, energy trading companies or airlines. However, most investors within the firm do not hold single portfolios. They diversify stock-specific risk (known as NON-systematic risk) by investing in a range of stocks with different characteristics. Most of these investors regard it as unwise not to diversi