Singapore Strait Times Index opened higher on Friday but fell into the red zone at the close, despite overnight gains in global markets.

During the day, the benchmark index ranged between 3,125.75 and 3,153.63, ending 0.19% or 6.09 points lower at 3,135.76.

In economic news, Singapore's Domestic Supply Price Index fell 3% year over year in January, reversing the 0.9% rise in December 2023, following declines in both oil and non-oil indices, the city-state's Department of Statistics reported Thursday.

Additionally, Singapore's Import Price Index slipped 0.7% month on month in January after the revised 1.5% fall in December 2023, the Department of Statistics reported Thursday.

In company news, Pacific Century Regional Developments' (SGX:P15) shares were up nearly 9% on Friday's close, despite news that the company had swung to an attributable loss in the second half of 2023 after revenue slipped 1.4% from a year ago.

Cordlife's (SGX:P8A) shares slumped 9% on Friday's close, following a decline of 50% in the company's attributable profit to owners, largely due to its ban on certain activities by the ministry of health.

MindChamps (SGX:CNE) closed 29% lower on Friday, as the company posted an attributable loss to the equity holders for H2 2023 came in at nearly SG$2.0 million, compared with an attributable profit of SG$1.5 million in the year-ago period.