To be successful in investing, it takes more than just having a high Intelligence Quotient (IQ). As Warren Buffett said, "Investing is not a game where the guy with the 160 IQ beats the guy with 130 IQ." Besides IQ, Emotional Quotient (EQ) and Adversity Quotient (AQ) also play important roles in determining the outcome of our investments.

IQ is about the ability to rationalise our investments. It involves setting up a framework to determine asset allocation, risk management, stock selection, stock valuation, buying and selling rules, etc. If you are an active investor who picks stocks or unit trusts, IQ is at work most frequently in the last 3 activities. Nevertheless, being able to spot a good investment is important, but not sufficient, as we shall see in the section on EQ later.

It is also not necessary for an investor to have high ...