Singapore shares advanced on Monday, tracking regional gains, as investors continued to anticipate the outcome of a US court decision on President Donald Trump's global tariffs.

The Straits Times Index ranged between 4,750.08 and 4,779.03 throughout the day. It ended the session at 4,766.78, up 22.12 points, or 0.5% compared to Friday's close.

In corporate news, shares of AnAn International (SGX:Y35) closed nearly 12% higher after its unit, Dyneff, agreed to acquire a 60% stake in FJB from FCB Sarl and HV2B for up to 1.2 million euros.

Rex International's (SGX:5WH) shares were up nearly 3% as its indirect subsidiary, Akrake Petroleum Benin, is expected to start production at the Seme Field in Benin by the end of January.

Meanwhile, shares of Kimly (SGX:1D0) were up nearly 3% at the close as it completed the acquisition of GSPL for SG$11.8 million.

STI up 0.5%; Hongkong Land, ST Engineering up 3%; Seatrium up 2%; UOL, Yangzijiang Shipbuilding up 1%; Nio, SingPost fell 1%.