With a history dating back to 1966, the Straits Times Index (STI) was originally coined as the Straits Industrial Index. After 30-odd years, the Straits Industrial Index was eventually succeeded by Straits Times Index on 31 August 1998. The reason for changing the index was to allow the index to cover more sectors and properly reflect the daily trading activities of stocks on SGX (or then-Stock Exchange of Singapore). Established by SPH, SGX and FTSE Russell, the index is reviewed on a semi-annual basis. Companies can be removed and added to the index based on their market capitalisation changes. Since STI’s official inception, the index has undergone several changes. The most recent major movement would be the replacement of SPH with Mapletree Industrial Trust on June 2020. Here, we com