Singapore shares surged on Tuesday, tracking regional gains as recent developments signaled a potential resolution to the conflict in the Middle East.

The Straits Times Index (STI), a key benchmark for the Singapore Exchange, ranged between 4,829.57 and 4,882.10 throughout the day. It ended the session at 4,862.43, up 21.13 points or 0.4% compared to Monday's close.

While US President, Donald Trump, claimed to have held discussions with the Iranian regime to broker peace, Tehran denied the claims.

On the corporate front, shares of Global Invacom Group (SGX:QS9) surged nearly 23% at the close as its subsidiary, Global Invacom Limited, signed a memorandum of understanding with Satwave Arrays to produce a multi-orbit flat panel antenna for Ka/Ku-band.

Aoxin Q & M Dental (SGX:1D4) was down nearly 7%, with the dental services provider set to close one of its hospitals in China, the Panjin Aoxin Quanmin Stomatology Hospital, following the expiry of its lease in April.

Meanwhile, shares of Lendlease Global Commercial REIT (SGX:JYEU) were nearly 2% lower as it amended and restated a SG$120 million facility, converting it into a sustainability-linked facility.