Singapore's Strait Times Index fell on Monday, tracking losses in the US market as tensions heightened in the Middle East.

During the day, the benchmark Singapore Strait Times Index ranged between 3,175.41 and 3,196.08, ending 1.04% or 33.30 points lower at 3,183.61.

In company news, shares of Fuji Offset (SGX:508) were up over 7% after it reported that the sale of its factory warehouse in Malaysia had been delayed due to the buyer's inability to complete the transfer on time.

Seatrium's (SGX:S51) shares were down over 4% even though the company entered into a non-binding memorandum of understanding with Shell Global Solutions International to explore and strengthen opportunities in floating production systems.

Meanwhile, Tiong Seng's (SGX:BFI) shares rose over 2% after the company's attributable loss for the year ended Dec. 31, 2023 shrunk to SG$12.1 million, compared with SG$84.7 million in the year-ago period.