SINGAPORE, Aug. 8 -- Economists have warned that the United States' move to impose a 100 per cent tariff on semiconductor imports could hit chipmakers in Singapore, with ripple effects on sectors like precision engineering and logistics.

US President Donald Trump announced this week that the tariff will apply to all chips and semiconductors coming into the country, except for companies that have committed to manufacture in the US or are in the process of doing so.

"The general sentiment is one of cautious watchfulness, with concerns focused on supply chain disruption, rising costs, and unpredictability in global trade flows if the tariff is broadly applied," Singapore Semiconductor Industry Association executive director Ang Wee Seng to...