And so, Brexit fears went as quickly as they came. Within 4 trading days, the Straits Times Index had recovered all of its losses from news of the Brexit referendum, giving very little time for investors to either buy or sell. Does the speed at which Brexit fears came and went and the relatively limited damage to the stock market make Brexit a non-event and noise to be ignored by investors of all stripes?

First of all, whether Brexit is a noise or not depends a lot on the investor's investment strategy. For a passive investor, Brexit (and most other events) is just noise. Regardless of Brexit or not, an investor using Dollar Cost Averaging would continue to put in the same amount of money at the same fixed time intervals. Likewise, an investor relying on Portfolio Rebalancing would rebalance his portfolio at fixed intervals or when the asset allocation ...