Singapore shares continued their dramatic descent from Monday, with regional markets continuing to showcase the fallout from the reciprocal tariffs slapped by US President Donald Trump on his regional partners.

The Straits Times Index (STI), a key benchmark for the Singapore Exchange, ranged between 3,450.30 and 3,580.86 throughout the day. It ended the session at 3,469.47, down 71.03 points or 2.01% compared to Monday's close.

Sembcorp Industries up 7.6% as it has been named by HSBC Global Research as one of the "preferred" Asian energy and utilities stocks that are possible "shelter" plays amid the worsening global trade war.

Shares of DBS Group were down over 3% after a ransomware attack on its vendor for the printing of customer statements and letters, Toppan Next Tech, "potentially compromised" customer statements/letters of about 8,200 DBS customers.

OCBC stock fell over 4% as UOB Kay Hian downgrades OCBC to hold from buy; price target is SG$16.85.

Zheneng Jinjiang Environment was up over 2% after the company and wholly owned subsidiary, Hangzhou Jinhuan entered into facility agreements with Zheneng Finance to acquire new loan facilities of up to 540 million yuan.

Meanwhile, Coolan Group suspended its chief executive officer, Han Binke over a unapproved equity interest transaction in one of its subsidiaries, Beijing Xiefei Business Management, BJXF.