The recent market correction presents an opportunity to start investing. The Bogleheads three fund portfolio is the easiest way to start. This is written specifically for the Singaporean investor.
As your portfolio grows, you will need to maintain its asset allocation by rebalancing. However, it does come with trade-offs. Balance is key.
Adding uncorrelated asset classes gives the benefit of diversification to your portfolio. This article explores the various asset classes.
Asset allocation depends on your risk appetite, you ability to take risk and your needs. It is often the most important thing which you can control in your investments.