China's June exports fell and imports shrank more than expected as a trade tiff with the United States continued to erode demand in the country.
Fears of a resurgence in trade tensions also weighed on regional stocks after US. President Donald Trump said in a tweet that China was not living up to promises it made on buying agricultural products from American farmers.
Local stock indexes closed the week largely unchanged as buying in anticipation of U.S. monetary easing was offset by weaker economic readings.
Investors now await second-quarter GDP data from China due on Monday. A Reuters poll sees growth slowing to its weakest pace in at least 27 years.
Indonesian stocks closed 0.7% lower and led regional losses, with the maximum pressure on the benchmark coming from consumer staples and telecommunication stocks. Telekom Indonesia
closed more than 2% lower, while cigarette maker Gudang Garam shed more than 3%.
An index of the country's 45 most liquid stocks closed down 0.9%.
Thai stocks ended 0.5% lower, with losses across all sectors. Oil and gas explorer PTT and hospital operator Bangkok Dusit Medical Services were among the largest drags on the benchmark.
Equity selling in the country was exacerbated by the central bank's steps to curb short-term speculative capital flows in a bid to weaken the baht. A stronger local currency hurts the country's exports.
Singapore stocks closed slightly higher as investors bet on equities benefiting from local monetary policy easing.
Seven of 11 economists surveyed by Reuters expect the central bank to ease policy in October after the island state saw its slowest economic expansion in a decade for the second quarter. - rEUTERS
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