Singapore's FTSE Straits Times Index closed 0.2% higher at 4019.57, hitting a record-high.
The benchmark index crossed the 4000 mark for the first time in March. Maybank Research analysts expect capital rotations to accelerate amid uncertainties regarding U.S. trade policies.
"Singapore stands to benefit given strong policy certainty, and a government with a clear mandate to cushion extreme outcomes," they said in a recent note.
Among advancers, DFI Retail Group rose 5.0%, City Developments climbed 2.2% and Hongkong Land was up 1.7%.
Meanwhile, UOL Group fell 1.2% and Keppel DC REIT lost 0.85%.