Concentration risk. No, it’s nothing to do with thinking too hard about something. In fact, it’s more likely to be a result of not paying enough attention. Concentration risk is the increase in investment risk that comes about from not sufficiently diversifying your portfolio. In other words, too much money is concentrated in too few assets, sectors or geographical markets. This can happen: Intentionally, because you have a strong belief that a particular share or sector, such as resources, banks or property, is likely to outperform in the future. Unintentionally, through asset performance. One or two shares deliver spectacular gains, […]