Singapore shares remained mired in the red zone on Wednesday, despite mostly regional gains, with APAC markets softening and reducing buying momentum in Singapore.

The Straits Times Index (STI), a key benchmark for the Singapore Exchange, ranged between 4,995.51 and 5,021.67 throughout the day. It ended the session at 5,007.73, up 13.06 points or 0.3% compared to Tuesday's close.

In corporate news, shares of Aspial Lifestyle (SGX:5UF) surged over 15% at the close as the company's attributable profit to owners surged 161% in the second half of 2025 to SG$52.8 million from SG$20.2 million a year earlier.

SBS Transit's (SGX:S61) shares closed nearly 11% higher even after its attributable profit to shareholders fell by 18% in the second half of 2025 to SG$30.1 million from SG$36.6 million a year earlier.

Meanwhile, shares of Sembcorp Industries (SGX:U96) were down nearly 2% at the close as its profit attributable to owners declined by 5% in the second half of 2025 to SG$448 million from SG$473 million a year earlier.