Singapore's stock market closed marginally higher on Tuesday after Wall Street closed mixed following US Federal Reserve's Jerome Powell's confirming his preference towards interest cut rates in September.

The Straits Times Index (STI), a key benchmark for the Singapore Exchange, ranged between 3,383.32 and 3,401.22 throughout the day. It ended the session at 3,398.47, up 2.44 points or 0.07% compared to Monday's close.

In company news, shares of Asia-Pacific Strategic Investments surged 100% after the company's loss attributable to equity holders was down 55% year over year to SG$895,000 in the six months ended June 30, from an attributable loss of SG$2.0 million.

Silverlake Axis rose 23.33% on Tuesday. The enterprise technology company has received a voluntary unconditional offer to go private at S$0.36 per share in cash. Alternatively, shareholders may choose to receive a combination of cash and redeemable preference shares.

Chuan Hup's shares were up over 4% after the company's profit attributable to equity holders for the year ended June 30 was down 66% year over year to $2.0 million from $5.8 million.

Meanwhile, Thomson Medical Group profit attributable to owners was down 2.5% year over year to SG$13.4 million in the six months ended June 30, from SG$13.8 million.