Not all tech stars are equal. While US giants from Apple Inc. to Amazon.com Inc. march to or through the $1 trillion valuation mark, China’s darlings are getting dumped. The groups started to diverge two months ago, and the big American tech stocks have outperformed their Chinese counterparts by 19 percentage points since then. With more than $18 billion of ...

The collapse in Argentina’s currency underlines two facts about global finance that are well understood yet far too easily forgotten. First, the effort to normalize US monetary policy after a decade of extraordinary monetary stimulus has put many other economies, especially those at risk for domestic reasons, under greater financial pressure. Second, once a crisis of confidence gets going, it ...

The US reached a preliminary trade agreement with Mexico that addresses several American grievances. A similar deal with Canada appears to be on track. These breakthroughs, combined with an easing of tensions with the European Union, could allow a more coordinated approach to the toughest trade problem of them all: reaching an agreement with China. This is good news for ...