Oil Companies Wanted Trump to Lower Costs. Tariffs Are Raising Them.

The cost of steel pipe used to line oil and gas wells rose after President Trump said he would impose tariffs on steel and aluminum imports.

Some European Allies Fear Trump Is Out to Destroy Them

Debate is building over just how deep the Trump administration’s antagonism runs, and whether the real goal is to destroy the European Union.

Trump’s New Crackdown on China Is Just Beginning

The administration is positioning itself to clamp down on Chinese investment and access to technology. But the wild card may be the president himself.

Senate Confirms Howard Lutnick as Commerce Secretary

A longtime Wall Street executive, Mr. Lutnick will take on a broad portfolio that includes defending U.S. business interests and overseeing restrictions on technology exports.

Can the Federal Reserve Look Past Trump’s Tariffs?

Top officials are grappling with how to handle potential price increases caused by the administration’s policies.

Trump Trade Nominee Defends Plan to Reorder International Trade

Jamieson Greer advocated restructuring the international trading system and defended the president’s aggressive actions against Canada and Mexico as he testified before the Senate.

G.M. Has Plans Ready for Trump’s Canada and Mexico Tariffs

General Motors, the largest producer of cars in Mexico, won’t provide details on how it would react if President Trump imposes 25 percent tariffs from the two countries.

Oil Companies Embrace Trump, but Not ‘Drill, Baby, Drill’

Oil and gas executives welcomed President Trump’s early moves on energy policy, but many said they did not plan to increase production unless prices rose significantly.