Understanding them helps explain how this trade war came to pass – and why no one, not even its architects, fully controls it. Pre-eminent – though perhaps not for long – is Elon Musk, who has made it ...

Shares of companies that sell retail goods were surging Monday, as the consumer-discretionary sector as a whole was lifted by a preliminary agreement between the U.S. and China to set tariffs on ...

The carmaker’s stock surge owes more to the vibes around tariff news than any fundamental change in its outlook.