DBS led the growth with a 0.89% gain.
The Straits Times Index (STI) ended 40.65 points or 1.19% higher to 3443.51, taking the year-to-date performance to +1.19%.
The top active stocks were DBS, which gained 0.89%, UOB, which gained 3.05%, OCBC Bank, which gained 4.24%, ThaiBev, which declined 6.59% and Singtel, with a 0.60% fall.
The FTSE ST Mid Cap Index gained 0.82%, whilst the FTSE ST Small Cap Index rose 0.50%.
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