FAST FIVE: US Stocks Extend Losses On China Smartphone News Xiaomi, China's biggest smartphone maker and No. 3 globally, has told suppliers that it will lower its full-year forecast to around 160 million to 180 million units from its previous target of 200 million. Xiaomi shipped 191 million smartphones last year and is aiming to become the world's leading smartphone maker. Meanwhile, Vivo and Oppo are also seeking to reduce excessive inventories. Vivo told suppliers it will not update specifications for key components to reduce costs.