President Donald Trump in recent days slapped tariffs as high as 50% on dozens of countries, restoring the type of aggressive trade policy that sent stocks plummeting a few months ago. The new round of levies prompted little more than a shrug on Wall Street.

The European Union would prefer to come up with a negotiated solution and avoid a painful and protracted trade war, but the talks could still fail.

Trump repackaged his plan to slap tariffs on almost every nation in a series of unusual presidential letters to foreign leaders that set new thresholds not just for trade negotiations — but also for ...

The downside risks of that bet have become clearer in recent days.

The U.S. copper industry is in crisis — and Washington is finally taking notice. With President Donald Trump’s recent announcement of 50% tariffs on copper imports under Section 232 of the Trade Expansion Act,