Singapore's Straits Times Index fell back into the negative territory on Friday to end the week in red, following a muted performance on Wall Street overnight.

During the day, the benchmark index ranged between 3,182.26 and 3,199.30, ending 0.3% or 9.69 points lower at 3,191.72.

In corporate news, shares of Totm Technologies (SGX:42F) rose 9% on Friday's close, despite the company posting a wider fiscal first-half attributable loss after revenue dropped more than 80% due to the weakness of its digital identity business derived from Indonesia.

HC Surgical Specialists (SGX:1B1) closed flat on Friday, even as the company booked a profit attributable to owners of SG$3.5 million in the fiscal first half, an increase of 68.3% from SG$2.1 million it booked a year ago.

Shares of Metro Holdings (SGX:M01) ended flat on Friday, as the company, via its indirect unit Crown Investments, acquired an additional 6% stake in Hong Kong-listed real estate property developer Top Spring International (HKG:3688) for HK$93.2 million.