In a trade war, as in a real one, people are wounded by friendly fire from their side. Consider some casualties in Donald Trump’s “easy to win” — his promise — trade war. Begin with the company whose green machines bear the name of the blacksmith who, in the 1830s in Grand Detour, Illinois, invented a self-scouring plow that could ...

Investors have been looking for reasons to forgive Xiaomi Corp. for its post-IPO slump. They don’t appear to have found them yet. Shares of the Chinese smartphone maker reversed a 2.1 percent gain to plunge as much as 5.5 percent in Hong Kong after the company posted second-quarter earnings. They’ve dropped 47 percent since the July 2018 listing. The stock ...

In France, they call it taking mustard after dinner. In Germany, they talk about a child having already fallen in the well. In England, they speak of closing the stable door after the horse has bolted. They all are good ways of describing how regulators have tended to deal with the world’s biggest tech firms. But when it comes to ...