Singapore shares were marginally up on Thursday, despite regional losses after US president, Donald Trump said that he would impose unilateral tariffs on the country's trading partners, as trade war fears reignited.

The Straits Times Index (STI), a key benchmark for the Singapore Exchange, ranged between 3,911.33 and 3,933.32 throughout the day. It ended the session at 3,922.20, up 3.15 points or 0.08% compared to Wednesday's close.

HPH Trust up 2.44%; StarHub up 1.8%; Kep Infra Tr, Singtel up more than 1%; Ho Bee Land down 2.9%; SIA Engeering down 2.2%.

In company news, shares of Zhongmin Baihui Retail were up nearly 4% with the company's subsidiary Shanxi Xinjiarong Property Development incorporating Shanxi Baihui Yueshang Commercial Management in China, with a registered capital of 20 million yuan.

Talkmed was up over 2% with the High Court of Singapore setting June 17 as the hearing date for the scheme of arrangement in connection with the company's privatization.

Meanwhile, CapitaLand China Trust's subsidiary, CRCT China Investment (Changsha), entered into a conditional equity interest transfer agreement with Changsha Kaiting Consulting and Management for the sale of a 100% interest in CapitaMalls Hunan Commercial Property to Changsha Kaiting.