Singapore shares fell for a third session on Monday after country's non-oil exports significantly slowed in November.
Non-oil domestic exports rose 9.1 percent in November, data from the trade agency International Enterprise (IE) Singapore showed, slowing from a revised 20.5 percent surge the month before.
Asian shares edged up on Monday, with sentiment boosted by expectations U.S. lawmakers will pass a long-awaited tax bill.
MSCI's broadest index of Asia-Pacific shares outside Japan gained 0.2 percent.
The Straits Times Index lost 0.06 percent or 2 points to 3,414. It ended 0.55 percent lower on Friday, taking the year-to-date performance to about 19 percent.
Shares of United Overseas Bank were down 0.1 percent while Oversea-Chinese Banking edged up 0.2 percent and DBS Group Holdings rose 0.6 percent.
Shares in Clearbridge Health opened unchanged compared to its IPO price of S$0.28 in Monday's trading debut.
But real estate services provider Rowsley jumped 23 percent after it entered into an agreement to acquire Thomson Medical and a 70.36 percent stake in Bursa Malaysia-listed healthcare firm TMCLS for S$1.6 billion.
Noble Group shares jumped 13 percent after its shareholders approved the company's pending sale of its North American oil business to Vitol U.S. Holdings about $580 million on Friday.
About 1.5 billion shares worth S$1 billion changed hands, with gainers outnumbering losers 224 to 198.