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The Shanghai Composite slipped 0.1% to below 3,820 and the Shenzhen Component fell 0.2% to 13,090 on Wednesday, marking a second straight decline as the absence of new policy support dampened sentiment. Profit-taking, particularly in artificial intelligence and related names, also weighed on the market. While signs of economic weakness persist, Beijing has so far refrained from major stimulus, though the central bank pledged to use monetary tools to maintain liquidity and shore up activity. On the trade front, US Ambassador to China David Perdue said Tuesday that a highly anticipated meeting between US President Donald Trump and Chinese President Xi Jinping is more likely to take place next year rather than this fall. Among notable losers were Luxshare Precision (-1.1%), Zhongji Innolight (-2.9%), Victory Giant (-3.6%), Foxconn Industrial (-3.1%) and Wolong Electric (-8.3%).