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By virtue of easy and clear market access and similarities with the US stock markets, Hong Kong by far has become the main destination for US-listed Chinese firms seeking shelter closer to home.

By leveraging machine recognition to its own assembly lines, Lenovo has lowered the defective product rate by 27.6 percent. With the help of AI in supply chain management, the accuracy of the company's prediction of product storage is 7 percent higher than that of human experts, said Rui Yong, chief technology officer of Lenovo.

By contrast, European and German sales fell sharply by 5.8 percent and 9.0 percent respectively in March. The company mainly attributed the weak performance to its ongoing overhaul of many of its key regional models, including the A7, A6, A1 and Q1.

By the end of October, 1,368 firms had published their quarterly reports, with nearly 60 percent posting revenue and profit growth, it said.

By leveraging the strengths of Wumei and Dmall, Metro China will benefit from synergies in sourcing and better access to local, ultra-fresh products, resulting in an enriched product offering, Wumei said.