Singapore shares remained in green on Wednesday, gaining nearly 1% at the close while tracking regional gains, backed by slight optimism over the possibility of the conflict in the Middle East resolving.

The Straits Times Index (STI), a key benchmark for the Singapore Exchange, ranged between 4,875.18 and 4,908.75 throughout the day. It ended the session at 4,904.54, up 42.11 points or 0.9% compared to Tuesday's close.

US President, Donald Trump claimed to make efforts to negotiate an end to hostilities with Iran, propelling regional and global markets.

On the corporate front, shares of Boustead Singapore (SGX:F9D) closed nearly 8% higher after the company said its engineering and construction business, Boustead Projects E&C, secured a second phase fit-out contract worth more than SG$50 million.

Koh Brothers (SGX:K75) was up over 3% as it booked a profit attributable to equity holders of SG$18.6 million in 2025, against an attributable loss of SG$5.5 million a year earlier.

Meanwhile, shares of Hong Lai Huat (SGX:CTO) were up over 2% at the close as the property developer concluded its investigation following allegations made by former Chief Financial Officer Lai Seng Fatt in his resignation letter.