Singapore shares tracked gains in the US to close in the green on Wednesday, as investors sentiment was lifted on hopes that Donald Trump's planned tariff blitz next week will not be as severe as feared.

The Straits Times Index (STI), a key benchmark for the Singapore Exchange, ranged between 3,953.49 and 3,976.50 throughout the day. It ended the session at 3,963.710, up 9.180 points or 0.23% compared to Monday's close.

In economic news, Singapore's manufacturing output decreased 1.3% year-on-year in February, mainly due to weak performance from the electronics clusters, according to data released by EDB Singapore.

In company news, shares of Geo Energy Resources (SGX:RE4) were up over 3% after the company entered into a conditional sale and purchase agreement with three individuals through its subsidiary, PT STT Tunas Bara, to sell all the shares in its subsidiary, PT Surya Tambang Tolindo.

Digital Core REIT (SGX:DCRU) was up nearly 2% at the close after the REIT agreed to acquire a 20% interest in Digital Osaka 3 TMK, which holds a data center located in Osaka, Japan for 13 billion Japanese yen.

Meanwhile, shares of ST Engineering (SGX:S63) were up nearly 2% after its subsidiary, ST Engineering Mission Software & Services, together with Home Team Science and Technology Agency (HTX) incorporated a joint venture company in Singapore.