Singapore shares gathered further momentum on Thursday, despite Asian stocks faltering over concerns about costs of artificial intelligence investment.

The Straits Times Index (STI), a key benchmark for the Singapore Exchange, ranged between 4,944.24 and 4,980.57 throughout the day. It ended the session at 4,975.87, up 10.37 points or 0.2% compared to Wednesday's close.

In economic news, Singapore's total retail sales increased 2.7% year on year in December 2025, according to data released by the Department of Statistics Singapore.

In corporate news, shares of Keppel (SGX:BN4) rose over 6% at the close as its attributable profit surged 27% in the second half of 2025 to SG$645.4 million from SG$507.5 million a year earlier.

Singapore Exchange (SGX:S68) was down nearly 1% as its attributable profit for the fiscal first half ended Dec. 31, 2025, rose to SG$342.7 million from SG$340 million a year earlier.

Meanwhile, Advanced Systems Automation, or ASA, (SGX:WJ9) agreed to sell its aquaculture subsidiary, LSO Organization, to Indonesia-listed Sumber Mas Konstruksi (IDX:SMKM) for up to SG$13 million.