Bloomberg Hyundai Motor Co. warned it may rethink how many vehicles it builds in the US, joining the world’s largest automakers in speaking out against US President Donald Trump’s crackdown on steel and aluminum imports. “Changes to the existing tariff structure could negatively impact our current US production and further expansion,” Jim Trainor, a Hyundai spokesman, said in an email. ...

Bloomberg In four years, Lenovo Group Ltd. went from would-be Apple Inc. challenger to an also-ran in smartphones and datacenter servers. Now it’s got a comeback plan, but some investors don’t buy it. China’s erstwhile tech darling, which lost its perch atop the PC market to HP Inc. in 2017, has shed two-thirds of its value since hitting a 15-year ...

Bloomberg A bright future lies ahead for OLED. When that starts, and how long it lasts, is less clear. Organic light-emitting diode screens have been touted as the future of smartphones because they’re crisper and easier on batteries than their liquid-crystal predecessors. In 2017, as Apple Inc. prepared its OLED iPhone X, suppliers led by Samsung Electronics Co. rushed to ...