Singapore Stock Market Today (18 Dec 2025): STI Slips as Global Tech Jitters, Central Bank Risk and Singtel-Optus Headlines Shape SGX Mood
SINGAPORE (Dec 18, 2025) — Singapore equities ended the day slightly softer as investors weighed a choppy global risk backdrop and fresh company catalysts on the Singapore Exchange (SGX). The Straits Times Index (STI) closed at 4,564.67, down 10.81 points (-0.24%), after trading in a tight range between 4,561.14 and 4,582.15. Investing.com The move marked a cautious session rather than a decisive reversal — but it underscored how sensitive Singapore’s market remains to international sentiment in December, especially when global tech leadership wobbles and major central bank decisions cluster on the calendar. Why the Singapore stock market was cautious today