Singapore shares closed in green on Monday as investor sentiment improved following the US and Iran decision to hold back on their attacks.

The Straits Times Index (STI), a key benchmark for the Singapore Exchange, ranged between 5,177.84 and 5,209.80 throughout the day. It ended the session at 5,208.75, up 17.02 points or 0.3% compared to Friday's close.

In economic news, factory-gate prices in Singapore rose in May, with the Domestic Supply Price Index edging up 34.2% year over year, while the Singapore Manufactured Products Price Index grew 30.8%, according to the Singapore Department of Statistics.

On the corporate front, shares of Metech International (SGX:V3M) surged over 9% at the close as it signed two separate subscription agreements to raise over SG$4 million via the subscription of 100 million shares at SG$0.040 per share.

XMH Holdings (SGX:BQF) closed nearly 6% higher as it revealed plans for a share split of one-to-four based on a weighted average price per share of SG$2.2709.

Meanwhile, shares of Keppel (SGX:BN4) were up under 1% at the close as its land dispute in Jakarta was escalated to the Supreme Court of Indonesia after the claimant, Trumpal Hutabarat, filed a cassation appeal, following the South Jakarta District Court's earlier ruling that made his lawsuit over the land underlying IFC Jakarta Tower 2 inadmissible.