STI Index

The top companies of STI Index are SGX:D05, SGX:O39, and SGX:Z74 — they can boast market cap of ‪96.35 B‬ SGD, ‪56.40 B‬ SGD, and ‪47.00 B‬ SGD accordingly.

The highest-priced instruments on STI Index are SGX:J36, SGX:D05, and SGX:U11 — they'll cost you 48.13 SGD, 44.25 SGD, and 35.27 SGD accordingly.

The weakest component of STI Index is SGX:G13 — it's lost −20.97% over the year.

STI Index is just a number that lets you track performance of the instruments comprising the index, so you can't invest in it directly. But you can buy STI Index futures or funds or invest in its components.