Singapore shares remained marginally lower on Tuesday, despite the regional indices clocking gains on the possibility of a US interest rate cut this week.

The Straits Times Index (STI), a key benchmark for the Singapore Exchange, ranged between 4,322.43 and 4,347.12 throughout the day. It ended the session at 4,337.74, down 0.68 points or 0.02% compared to Monday's close.

In company news, shares of XMH (SGX:BQF) were up nearly 4% at the close as it agreed to dispose of a 14.8% stake in Mech-Power Generator to Mitsubishi Heavy Industries (TYO:7011) for SG$12.3 million.

GuocoLand (SGX:F17) was up nearly 1% as its subsidiary, GLL IHT, priced SG$200 million worth of 2.30% bonds due 2029.

Meanwhile, shares of ISOTeam (SGX:5WF) were down over 1% after the company said that it expected to raise about SG$3 million through a convertible bond subscription agreement.