Perhaps you would avoid the "hot stocks" prevailing in the market like avoiding a plague; perhaps you wouldn't hold an overly large proportion of a single type of asset; perhaps you would choose your investment portfolio according to your age and risk preference. In short, if you do these things, you have avoided some major risks when constructing your investment portfolio. However, even the most cautious and experienced investors may encounter unforeseen crises that cause them to falter. How can one discover whether their fund portfolio harbors hidden risks? The author believes that investors should focus on the following four questions: Is the portfolio overly inclined towards a certain investment style?