Singapore shares closed higher on Wednesday, mirroring regional gains, as the city-state's S&P Global Singapore Purchasing Managers' Index posted above the 50.0 mark for the twelfth straight month in January.

The Straits Times Index (STI), a key benchmark for the Singapore Exchange, ranged between 4,939.91 and 4,965.50 throughout the day. It ended the session at 4,965.50, up 21.41 points or 0.4% compared to Tuesday's close.

The PMI rose to 56.8 in January from 54.1 in the previous month, with the latest figure indicating growth backed by faster business activity, according to data released by S&P Global.

In corporate news, shares of Huationg Global (SGX:41B) rose over 5% at the close as it completed the proposed placement of up to 11.8 million shares at SG$0.6 apiece.

Singtel (SGX:Z74) was up over 1%, as the company signed definitive agreements along with global private equity firm KKR to acquire an 82% stake in STT Global Data Centers from STT Communications for SG$6.6 billion.

Meanwhile, ESR REIT's (SGX:J91U) distribution per unit or DPU rose 7.1% to SG$0.10675 in the second half of 2025 from SG$0.0997 a year earlier.