One of the most popular and time-tested investment strategies is to invest passively in an index fund. I too have adopted this strategy for my Supplementary Retirement Scheme (SRS) account. However, not all markets are equal. If you pick a market index that is performing well, you are well on your way to financial independence. Conversely, if you pick a market index that is underperforming, you will take a longer time to reach there. The chart below shows the performance of 5 more familar stock market indices, namely, Singapore's Straits Times Index (STI), US' Dow Jones Industrial Average (DJIA), UK's FTSE 100, Hong Kong's Hang Seng Index (HSI) and Japan's Nikkei 225.

From the chart above, if you had invested $10,000 in each of the 5 market indices at the start of 1988, the investment would have grown to $95,169 for HSI, $87,033 for DJIA, ...