Macquarie has downgraded SGX, citing that the improvement in stock market liquidity is already factored in. This assessment suggests that any potential benefits from increased liquidity have been accounted for.

Further details on this downgrade are available from The Edge Singapore. The publication reports on Macquarie's decision, providing insight into the factors behind the downgrade.

The downgrade indicates that Macquarie does not expect significant further gains from improvements in stock market liquidity, as these have already been priced in. For more information on this development, readers can refer to The Edge Singapore.