China's industrial output grew 5.3% in the first two months of this year, the slowest pace of expansion in 17 years, pointing to further weakness in the world's second-largest economy.
Investments picked up pace, however, as the government fast-tracked more road and rail projects, while retail sales rose 8.2%.
China generally combines January and February activity data in an attempt to smooth distortions created by the long Lunar New Year holidays.
Shanghai -1.2% to 2,991.
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